Merge remote-tracking branch 'origin/bigRefactoring' into bigRefactoring

new file:   test/resources/bytecode/javFiles/OLFun.jav

pom.xml

@@ -7,7 +7,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 	<artifactId>JavaTXcompiler</artifactId>
 	<packaging>jar</packaging>
 
-	<version>0.1</version>
+	<version>0.2</version>
 	<name>JavaTXcompiler</name>
 	<url>http://maven.apache.org</url>
 	<dependencies>
@@ -127,7 +127,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 								<!-- specify your depencies here -->
 								<!-- groupId:artifactId:version -->
 								<artifact>
-									<id>de.dhbwstuttgart:JavaTXcompiler:0.1</id>
+									<id>de.dhbwstuttgart:JavaTXcompiler:0.2</id>
 								</artifact>
 								<artifact>
 									<id>org.reflections:reflections:0.9.11</id>

src/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java

@@ -1,929 +0,0 @@
-package de.dhbwstuttgart.typeinference.unify;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedHashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map.Entry;
-import java.util.Optional;
-import java.util.Set;
-import java.util.concurrent.RecursiveTask;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IRuleSet;
-import de.dhbwstuttgart.typeinference.unify.interfaces.ISetOperations;
-import de.dhbwstuttgart.typeinference.unify.interfaces.IUnify;
-import de.dhbwstuttgart.typeinference.unify.model.ExtendsType;
-import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
-import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
-import de.dhbwstuttgart.typeinference.unify.model.SuperType;
-import de.dhbwstuttgart.typeinference.unify.model.TypeParams;
-import de.dhbwstuttgart.typeinference.unify.model.Unifier;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
-import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
-import de.dhbwstuttgart.typeinference.unify.model.OrderingUnifyPair;
-
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
-
-import com.google.common.collect.Ordering;
-
-
-/**
- * Implementation of the type unification algorithm
- * @author Florian Steurer
- */
-public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
-
-	private static final long serialVersionUID = 1L;
-	private static int i = 0;
-	private boolean printtag = false;
-	
-	public static final String rootDirectory = System.getProperty("user.dir")+"/test/logFiles/";
-	FileWriter logFile;
-
-	/**
-	 * The implementation of setOps that will be used during the unification
-	 */
-	protected ISetOperations setOps = new GuavaSetOperations();
-	
-	/**
-	 * The implementation of the standard unify that will be used during the unification
-	 */
-	protected IUnify stdUnify = new MartelliMontanariUnify();
-	
-	/**
-	 * The implementation of the rules that will be used during the unification.
-	 */
-	protected IRuleSet rules;
-	
-	protected Set<UnifyPair> eq;
-	
-	protected IFiniteClosure fc;
-	
-	protected Ordering<Set<UnifyPair>> oup;
-	
-	protected boolean parallel;
-	
-	public TypeUnifyTask() { 
-		rules = new RuleSet();
-	}
-	
-	public TypeUnifyTask(Set<UnifyPair> eq, IFiniteClosure fc, boolean parallel, FileWriter logFile) {
-		this.eq = eq;
-		this.fc = fc;
-		this.oup = new OrderingUnifyPair(fc);
-		this.parallel = parallel;
-		this.logFile = logFile;
-		rules = new RuleSet(logFile);
-	}
-
-	@Override
-	protected Set<Set<UnifyPair>> compute() {
-		return unify(eq, fc, parallel);
-	}
-	
-	/**
-	 * Computes all principal type unifiers for a set of constraints.
-	 * @param eq The set of constraints
-	 * @param fc The finite closure
-	 * @return The set of all principal type unifiers
-	 */
-	protected Set<Set<UnifyPair>> unify(Set<UnifyPair> eq, IFiniteClosure fc, boolean parallel)  {
-		/*
-		 * Step 1: Repeated application of reduce, adapt, erase, swap 
-		 */
-		writeLog("Unifikation: " + eq.toString());
-		eq = eq.stream().map(x -> {x.setVariance((byte)-1); return x;}).collect(Collectors.toCollection(HashSet::new));
-		Set<UnifyPair> eq0 = applyTypeUnificationRules(eq, fc);
-
-		/*
-		 * Step 2 and 3: Create a subset eq1s of pairs where both sides are TPH and eq2s of the other pairs
-		 */
-		Set<UnifyPair> eq1s = new HashSet<>();
-		Set<UnifyPair> eq2s = new HashSet<>();
-		splitEq(eq0, eq1s, eq2s);
-		
-		/*
-		 * Step 4: Create possible typings
-		 * 
-		 * "Manche Autoren identifizieren die Paare (a, (b,c)) und ((a,b),c) 
-		 * mit dem geordneten Tripel (a,b,c), wodurch das kartesische Produkt auch assoziativ wird." - Wikipedia
-		 */
-		
-		// There are up to 10 toplevel set. 8 of 10 are the result of the 
-		// cartesian product of the sets created by pattern matching.
-		List<Set<Set<UnifyPair>>> topLevelSets = new ArrayList<>();
-		
-		//System.out.println(eq2s);
-		
-		if(eq1s.size() != 0) { // Do not add empty sets or the cartesian product will always be empty.
-			Set<Set<UnifyPair>> wrap = new HashSet<>();
-			wrap.add(eq1s);
-			topLevelSets.add(wrap); // Add Eq1'
-		}
-
-		// Add the set of [a =. Theta | (a=. Theta) in Eq2']
-		Set<UnifyPair> bufferSet = eq2s.stream() 
-				.filter(x -> x.getPairOp() == PairOperator.EQUALSDOT && x.getLhsType() instanceof PlaceholderType)
-				.collect(Collectors.toSet());
-		
-		if(bufferSet.size() != 0) { // Do not add empty sets or the cartesian product will always be empty.
-			Set<Set<UnifyPair>> wrap = new HashSet<>();
-			wrap.add(bufferSet);
-			topLevelSets.add(wrap);
-			eq2s.removeAll(bufferSet);
-		}
-		
-		// Sets that originate from pair pattern matching
-		// Sets of the "second level"
-		Set<UnifyPair> undefinedPairs = new HashSet<>();
-		if (printtag) System.out.println("eq2s " + eq2s);
-		//writeLog("BufferSet: " + bufferSet.toString()+"\n");
-		Set<Set<Set<Set<UnifyPair>>>> secondLevelSets = calculatePairSets(eq2s, fc, undefinedPairs);
-		                                                //PL 2017-09-20: Im calculatePairSets wird möglicherweise O .< java.lang.Integer 
-		                                                //nicht ausgewertet Faculty Beispiel im 1. Schritt
-		                                                //PL 2017-10-03 geloest, muesste noch mit FCs mit kleineren
-		                                                //Typen getestet werden.
-		if (printtag) System.out.println("secondLevelSets:" +secondLevelSets);
-		// If pairs occured that did not match one of the cartesian product cases,
-		// those pairs are contradictory and the unification is impossible.
-		if(!undefinedPairs.isEmpty()) {
-			writeLog("UndefinedPairs; " + undefinedPairs);
-			Set<Set<UnifyPair>> error = new HashSet<>();
-			error.add(undefinedPairs);
-			return error;
-		}
-		
-		/* Up to here, no cartesian products are calculated.
-		 * filters for pairs and sets can be applied here */
-		
-		// Alternative: Sub cartesian products of the second level (pattern matched) sets
-		// "the big (x)"
-		/* for(Set<Set<Set<UnifyPair>>> secondLevelSet : secondLevelSets) {
-			//System.out.println("secondLevelSet "+secondLevelSet.size());
-			List<Set<Set<UnifyPair>>> secondLevelSetList = new ArrayList<>(secondLevelSet);
-			Set<List<Set<UnifyPair>>> cartResult = setOps.cartesianProduct(secondLevelSetList);
-			//System.out.println("CardResult: "+cartResult.size());
-			// Flatten and add to top level sets
-			Set<Set<UnifyPair>> flat = new HashSet<>();
-			int j = 0;
-			for(List<Set<UnifyPair>> s : cartResult) {
-				j++;
-				//System.out.println("s from CardResult: "+cartResult.size() + " " + j);
-				Set<UnifyPair> flat1 = new HashSet<>();
-				for(Set<UnifyPair> s1 : s)
-					flat1.addAll(s1);
-				flat.add(flat1);
-			}
-			//topLevelSets.add(flat);
-		}
-		*/
-		
-		//Alternative KEIN KARTESISCHES PRODUKT der secondlevel Ebene bilden
-		for(Set<Set<Set<UnifyPair>>> secondLevelSet : secondLevelSets) {
-			for (Set<Set<UnifyPair>> secondlevelelem : secondLevelSet) {
-				topLevelSets.add(secondlevelelem);
-			}
-		}
-		//System.out.println(topLevelSets);
-		//System.out.println();
-		
-		
-		//Aufruf von computeCartesianRecursive ANFANG
-		return computeCartesianRecursive(new HashSet<>(), new ArrayList<>(topLevelSets), eq, fc, parallel);
-	
-	}
-	
-	
-	Set<Set<UnifyPair>> unify2(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, IFiniteClosure fc, boolean parallel) {
-		//Aufruf von computeCartesianRecursive ENDE
-		
-		//keine Ahnung woher das kommt
-		//Set<Set<UnifyPair>> setToFlatten = topLevelSets.stream().map(x -> x.iterator().next()).collect(Collectors.toCollection(HashSet::new));
-		
-		//Muss auskommentiert werden, wenn computeCartesianRecursive ANFANG
-		// Cartesian product over all (up to 10) top level sets 
-		//Set<Set<Set<UnifyPair>>> eqPrimeSet = setOps.cartesianProduct(topLevelSets)
-		//		.stream().map(x -> new HashSet<>(x))
-		//		.collect(Collectors.toCollection(HashSet::new));
-		//Muss auskommentiert werden, wenn computeCartesianRecursive ENDE
-
-		Set<Set<UnifyPair>> eqPrimePrimeSet = new HashSet<>();
-		
-		Set<TypeUnifyTask> forks = new HashSet<>();
-		
-		//Muss auskommentiert werden, wenn computeCartesianRecursive ANFANG
-		//for(Set<Set<UnifyPair>> setToFlatten : eqPrimeSet) {
-			// Flatten the cartesian product
-		//Muss auskommentiert werden, wenn computeCartesianRecursive ENDE
-			Set<UnifyPair> eqPrime = new HashSet<>();
-			setToFlatten.stream().forEach(x -> eqPrime.addAll(x));
-
-			/*
-			 * Step 5: Substitution
-			 */
-			//System.out.println("vor Subst: " + eqPrime);
-			Optional<Set<UnifyPair>> eqPrimePrime = rules.subst(eqPrime);
-			
-			/*
-			 * Step 6 a) Restart (fork) for pairs where subst was applied
-			 */
-			if(parallel) {
-				if (eqPrime.equals(eq))         //PL 2017-09-29 auskommentiert und durch 
-				//(!eqPrimePrime.isPresent())   //PL 2071-09-29 dies ersetzt 
-					                              //Begruendung: Wenn in der Substitution keine Veraenderung
-					                              //(!eqPrimePrime.isPresent()) erfolgt ist, ist das Ergebnis erzielt.
-					eqPrimePrimeSet.add(eqPrime);
-				else if(eqPrimePrime.isPresent()) {
-					//System.out.println("nextStep: " + eqPrimePrime.get());
-					TypeUnifyTask fork = new TypeUnifyTask(eqPrimePrime.get(), fc, true, logFile);
-					forks.add(fork);
-					fork.fork();
-				}
-				else {
-					//System.out.println("nextStep: " + eqPrime);
-					TypeUnifyTask fork = new TypeUnifyTask(eqPrime, fc, true, logFile);
-					forks.add(fork);
-					fork.fork();
-				}
-			}
-			else { // sequentiell (Step 6b is included)
-				if (printtag) System.out.println("nextStep: " + eqPrimePrime);
-				if (eqPrime.equals(eq)) {        //PL 2017-09-29 auskommentiert und durch 
-				//(!eqPrimePrime.isPresent())       //PL 2071-09-29 dies ersetzt 
-                                                  //Begruendung: Wenn in der Substitution keine Veraenderung
-                                                  //(!eqPrimePrime.isPresent()) erfolgt ist, ist das Ergebnis erzielt.
-					try {
-						if (isSolvedForm(eqPrime)) {
-							logFile.write(eqPrime.toString()+"\n");
-							logFile.flush();
-						}
-					}
-					catch (IOException e) { }
-					eqPrimePrimeSet.add(eqPrime);
-				}
-				else if(eqPrimePrime.isPresent()) {
-					Set<Set<UnifyPair>> unifyres = unify(eqPrimePrime.get(), fc, false);
-					
-					eqPrimePrimeSet.addAll(unifyres);
-				}
-				else {
-					Set<Set<UnifyPair>> unifyres = unify(eqPrime, fc, false);
-					
-					
-					eqPrimePrimeSet.addAll(unifyres);
-				}
-			}
-		//Muss auskommentiert werden, wenn computeCartesianRecursive ANFANG
-		//}
-		//Muss auskommentiert werden, wenn computeCartesianRecursive ENDE
-		
-		/*
-		 * 	Step 6 b) Build the union over everything.
-		 */
-		
-		if(parallel)
-			for(TypeUnifyTask fork : forks) 
-				eqPrimePrimeSet.addAll(fork.join());
-		
-		 /*
-		  * Step 7: Filter empty sets;
-		  */
-		eqPrimePrimeSet = eqPrimePrimeSet.stream().filter(x -> isSolvedForm(x)).collect(Collectors.toCollection(HashSet::new));
-		if (!eqPrimePrimeSet.isEmpty())
-			writeLog("Result " + eqPrimePrimeSet.toString());
-		return eqPrimePrimeSet;
-	}
-	
-	
-	
-	Set<Set<UnifyPair>> computeCartesianRecursive(Set<Set<UnifyPair>> fstElems, ArrayList<Set<Set<UnifyPair>>> topLevelSets, Set<UnifyPair> eq, IFiniteClosure fc, boolean parallel) {
-		ArrayList<Set<Set<UnifyPair>>> remainingSets = new ArrayList<>(topLevelSets);
-		Set<Set<UnifyPair>> nextSet = remainingSets.remove(0);
-		ArrayList<Set<UnifyPair>> nextSetasList = new ArrayList<>(nextSet);
-		Set<Set<UnifyPair>> result = new HashSet<>(); 
-		int i = 0;
-		byte variance = 	nextSetasList.iterator().next().iterator().next().getVariance();	
-		Set<UnifyPair> a_next = null;
-		if (nextSetasList.iterator().next().iterator().next().getLhsType().getName().equals("D")) 
-			System.out.print("");
-		if (nextSetasList.size()>1) {
-			if (variance == 1) {
-				a_next = oup.max(nextSetasList.iterator());
-			}
-			else if (variance == -1) {
-				a_next = oup.min(nextSetasList.iterator());
-			}
-			else if (variance == 0) {
-				a_next = nextSetasList.iterator().next();
-			}
-		}
-		else {
-			a_next = nextSetasList.iterator().next();
-		}
-		while (nextSetasList.size() != 0) {
-			Set<UnifyPair> a = a_next;
-			//writeLog("nextSet: " + nextSetasList.toString()+ "\n");
-			nextSetasList.remove(a);
-			if (nextSetasList.size() > 0) {
-				if (nextSetasList.size()>1) {
-					if (variance == 1) {
-						a_next = oup.max(nextSetasList.iterator());
-					}
-					else if (variance == -1) {
-						a_next = oup.min(nextSetasList.iterator());
-					}
-					else {
-						a_next = nextSetasList.iterator().next();
-					}
-				}
-				else {
-					a_next = nextSetasList.iterator().next();
-				}
-			}
-			//PL 2018-03-01
-			//TODO: 1. Maximum und Minimum unterscheiden
-			//TODO: 2. compare noch für alle Elmemente die nicht X =. ty sind erweitern 
-		//for(Set<UnifyPair> a : newSet) {
-			i++;
-			Set<Set<UnifyPair>> elems = new HashSet<Set<UnifyPair>>(fstElems);
-			elems.add(a);
-			if (remainingSets.isEmpty()) {
-				result.addAll(unify2(elems, eq, fc, parallel));
-				System.out.println("");
-			}
-			else {
-				result.addAll(computeCartesianRecursive(elems, remainingSets, eq, fc, parallel)); 
-			}
-			if (!result.isEmpty()) {
-				if (variance == 1) {
-					if (a.iterator().next().getLhsType().getName().equals("WL")) 
-						System.out.print("");
-					if (a.equals(a_next) || 
-							(oup.compare(a, a_next) == 1)) {
-						System.out.print("");
-						break;
-					}
-					else {
-						System.out.print("");
-					}
-				}
-				else { if (variance == -1) {
-					if (a.iterator().next().getLhsType().getName().equals("A")) 
-						System.out.print("");
-					if (a.equals(a_next) || (oup.compare(a, a_next) == -1)) {
-						System.out.print("");
-						break;
-					}
-					else {
-						System.out.print("");
-					}
-				}
-				else if (variance == 0) {
-					break;
-				}
-				}
-			}
-		}
-		return result;
-	}
-	
-	protected boolean isUndefinedPairSet(Set<Set<UnifyPair>> s) {
-		boolean res = true;
-		if (s.size() ==1) {
-			s.iterator().next().stream().forEach(x -> { res = res && x.isUndefinedPair(); return; });
-			return res;
-		}
-		
-	}
-	/**
-	 * Checks whether a set of pairs is in solved form.
-	 * @param eqPrimePrime The set of pair
-	 * @return True if in solved form,  false otherwise.
-	 */
-	protected boolean isSolvedForm(Set<UnifyPair> eqPrimePrime) {
-		for(UnifyPair pair : eqPrimePrime) {
-			UnifyType lhsType = pair.getLhsType();
-			UnifyType rhsType = pair.getRhsType();
-			
-			if(!(lhsType instanceof PlaceholderType))
-				return false;
-			
-			// If operator is not equals, both sides must be placeholders
-			if(pair.getPairOp() != PairOperator.EQUALSDOT && !(rhsType instanceof PlaceholderType))
-				return false;
-		}
-		return true;
-	}
-	
-	/**
-	 * Repeatedly applies type unification rules to a set of equations. 
-	 * This is step one of the unification algorithm.
-	 * @return The set of pairs that results from repeated application of the inference rules.
-	 */
-	public Set<UnifyPair> applyTypeUnificationRules(Set<UnifyPair> eq, IFiniteClosure fc) {
-		
-		/*
-		 * Rule Application Strategy:
-		 * 
-		 * 1. 	Swap all pairs and erase all erasable pairs
-		 * 2. 	Apply all possible rules to a single pair, then move it to the result set.
-		 *    	Iterating over pairs first, then iterating over rules prevents the application
-		 *    	of rules to a "finished" pair over and over.
-		 * 2.1 	Apply all rules repeatedly except for erase rules. If
-		 * 		the application of a rule creates new pairs, check immediately
-		 * 		against the erase rules.
-		 */
-		
-		
-		LinkedHashSet<UnifyPair> targetSet = new LinkedHashSet<UnifyPair>();
-		LinkedList<UnifyPair> eqQueue = new LinkedList<>();
-		
-		/*
-		 * Swap all pairs and erase all erasable pairs
-		 */
-		eq.forEach(x -> swapAddOrErase(x, fc, eqQueue));
-		
-		/*
-		 * Apply rules until the queue is empty
-		 */
-		while(!eqQueue.isEmpty()) {
-			UnifyPair pair = eqQueue.pollFirst();
-
-			// ReduceUp, ReduceLow, ReduceUpLow
-			Optional<UnifyPair> opt = rules.reduceUpLow(pair);
-			opt = opt.isPresent() ? opt : rules.reduceLow(pair);
-			opt = opt.isPresent() ? opt : rules.reduceUp(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardLow(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardLowRight(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardUp(pair);
-			opt = opt.isPresent() ? opt : rules.reduceWildcardUpRight(pair);
-			//PL 2018-03-06 auskommentiert muesste falsch sein vgl. JAVA_BSP/Wildcard6.java
-			//opt = opt.isPresent() ? opt : rules.reduceWildcardLowUp(pair);
-			//opt = opt.isPresent() ? opt : rules.reduceWildcardUpLow(pair);
-			//opt = opt.isPresent() ? opt : rules.reduceWildcardLeft(pair);
-			
-			// Reduce TPH
-			opt = opt.isPresent() ? opt : rules.reduceTph(pair);
-			
-			// One of the rules has been applied
-			if(opt.isPresent()) {
-				swapAddOrErase(opt.get(), fc, eqQueue);
-				continue;
-			}
-			
-			// Reduce1, Reduce2, ReduceExt, ReduceSup, ReduceEq
-			//try {
-			//	logFile.write("PAIR1 " + pair + "\n");
-			//	logFile.flush();
-			//}
-			//catch (IOException e) { }
-			
-			Optional<Set<UnifyPair>> optSet = rules.reduce1(pair, fc);
-			optSet = optSet.isPresent() ? optSet : rules.reduce2(pair);
-			optSet = optSet.isPresent() ? optSet : rules.reduceExt(pair, fc);
-			optSet = optSet.isPresent() ? optSet : rules.reduceSup(pair, fc);
-			optSet = optSet.isPresent() ? optSet : rules.reduceEq(pair);
-			
-			// ReduceTphExt, ReduceTphSup
-			optSet = optSet.isPresent() ? optSet : rules.reduceTphExt(pair);
-			optSet = optSet.isPresent() ? optSet : rules.reduceTphSup(pair);
-
-			
-			// FunN Rules
-			optSet = optSet.isPresent() ? optSet : rules.reduceFunN(pair);
-			optSet = optSet.isPresent() ? optSet : rules.greaterFunN(pair);
-			optSet = optSet.isPresent() ? optSet : rules.smallerFunN(pair);
-			
-			// One of the rules has been applied
-			if(optSet.isPresent()) {
-				optSet.get().forEach(x -> swapAddOrErase(x, fc, eqQueue));
-				continue;
-			}
-			
-			// Adapt, AdaptExt, AdaptSup
-			//try {
-			//	logFile.write("PAIR2 " + pair + "\n");
-			//	logFile.flush();
-			//}
-			//catch (IOException e) { }
-			opt = rules.adapt(pair, fc);
-			opt = opt.isPresent() ? opt : rules.adaptExt(pair,  fc);
-			opt = opt.isPresent() ? opt : rules.adaptSup(pair, fc);
-			
-			// One of the rules has been applied
-			if(opt.isPresent()) {
-				swapAddOrErase(opt.get(), fc, eqQueue);
-				continue;
-			}
-			
-			// None of the rules has been applied
-			targetSet.add(pair);
-		}
-		
-		return targetSet;
-	}
-	
-	/**
-	 * Applies the rule swap to a pair if possible. Then adds the pair to the set if no erase rule applies.
-	 * If an erase rule applies, the pair is not added (erased).
-	 * @param pair The pair to swap and add or erase.
-	 * @param collection The collection to which the pairs are added.
-	 */
-	protected void swapAddOrErase(UnifyPair pair, IFiniteClosure fc, Collection<UnifyPair> collection) {
-		Optional<UnifyPair> opt = rules.swap(pair);
-		UnifyPair pair2 = opt.isPresent() ? opt.get() : pair;
-		
-		if(rules.erase1(pair2, fc) || rules.erase3(pair2) || rules.erase2(pair2, fc))
-			return;
-		
-		collection.add(pair2);
-	}
-	
-	/**
-	 * Splits the equation eq into a set eq1s where both terms are type variables,
-	 * and a set eq2s where one of both terms is not a type variable.
-	 * @param eq Set of pairs to be splitted.
-	 * @param eq1s Subset of eq where both terms are type variables.
-	 * @param eq2s eq/eq1s.
-	 */
-	protected void splitEq(Set<UnifyPair> eq, Set<UnifyPair> eq1s, Set<UnifyPair> eq2s) {
-		for(UnifyPair pair : eq) 
-			if(pair.getLhsType() instanceof PlaceholderType && pair.getRhsType() instanceof PlaceholderType)
-				eq1s.add(pair);
-			else
-				eq2s.add(pair);
-	}
-	
-	/**
-	 * Creates sets of pairs specified in the fourth step. Does not calculate cartesian products.
-	 * @param undefined All pairs that did not match one of the 8 cases are added to this set.
-	 * @return The set of the eight cases (without empty sets). Each case is a set, containing sets generated
-	 * from the pairs that matched the case. Each generated set contains singleton sets or sets with few elements
-	 * (as in case 1 where sigma is added to the innermost set).
-	 */
-	protected Set<Set<Set<Set<UnifyPair>>>> calculatePairSets(Set<UnifyPair> eq2s, IFiniteClosure fc, Set<UnifyPair> undefined) {
-		List<Set<Set<Set<UnifyPair>>>> result = new ArrayList<>(8);
-
-		// Init all 8 cases
-		for(int i = 0; i < 8; i++)
-			result.add(new HashSet<>());
-		Boolean first = true;
-		for(UnifyPair pair : eq2s) {
-			PairOperator pairOp = pair.getPairOp();
-			UnifyType lhsType = pair.getLhsType();
-			UnifyType rhsType = pair.getRhsType();
-	
-			// Case 1: (a <. Theta')
-			if(pairOp == PairOperator.SMALLERDOT && lhsType instanceof PlaceholderType) {
-				//System.out.println(pair);
-				if (first) { //writeLog(pair.toString()+"\n");
-					Set<Set<UnifyPair>> x1 = unifyCase1((PlaceholderType) pair.getLhsType(), pair.getRhsType(), (byte)1, fc);
-				//System.out.println(x1);
-					result.get(0).add(x1);
-				}
-				else {
-					Set<UnifyPair> s1 = new HashSet<>();
-					s1.add(pair);
-					Set<Set<UnifyPair>> s2 = new HashSet<>();
-					s2.add(s1);
-					result.get(0).add(s2);
-				}
-						
-			}
-			// Case 2: (a <.? ? ext Theta')
-			else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof PlaceholderType && rhsType instanceof ExtendsType)
-				if (first) { //writeLog(pair.toString()+"\n");
-					result.get(1).add(unifyCase2((PlaceholderType) pair.getLhsType(), (ExtendsType) pair.getRhsType(), (byte)0, fc));
-				}	
-				else {
-					Set<UnifyPair> s1 = new HashSet<>();
-					s1.add(pair);
-					Set<Set<UnifyPair>> s2 = new HashSet<>();
-					s2.add(s1);
-					result.get(1).add(s2);
-				}
-			
-			// Case 3: (a <.? ? sup Theta')
-			else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof PlaceholderType && rhsType instanceof SuperType)
-				if (first) { //writeLog(pair.toString()+"\n");
-					result.get(2).add(unifyCase3((PlaceholderType) lhsType, (SuperType) rhsType, (byte)0, fc));
-				}
-				else {
-					Set<UnifyPair> s1 = new HashSet<>();
-					s1.add(pair);
-					Set<Set<UnifyPair>> s2 = new HashSet<>();
-					s2.add(s1);
-					result.get(2).add(s2);
-				}
-			
-			// Case 4 was replaced by an inference rule
-			// Case 4: (a <.? Theta')
-			//else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof PlaceholderType)
-			//	result.get(3).add(unifyCase4((PlaceholderType) lhsType, rhsType, fc));
-				
-			// Case 5: (Theta <. a)
-			else if(pairOp == PairOperator.SMALLERDOT && rhsType instanceof PlaceholderType)
-				if (first) { //writeLog(pair.toString()+"\n");
-					if (rhsType.getName().equals("A")) 
-						System.out.println();
-					result.get(4).add(unifyCase5(lhsType, (PlaceholderType) rhsType, (byte)-1, fc));
-				}
-				else {
-					Set<UnifyPair> s1 = new HashSet<>();
-					s1.add(pair);
-					Set<Set<UnifyPair>> s2 = new HashSet<>();
-					s2.add(s1);
-					result.get(4).add(s2);
-				}
-			
-			// Case 6 was replaced by an inference rule.
-			// Case 6: (? ext Theta <.? a)
-			//else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof ExtendsType && rhsType instanceof PlaceholderType)
-			//	result.get(5).add(unifyCase6((ExtendsType) lhsType, (PlaceholderType) rhsType, fc));
-
-			// Case 7 was replaced by an inference rule
-			// Case 7: (? sup Theta <.? a)
-			//else if(pairOp == PairOperator.SMALLERDOTWC && lhsType instanceof SuperType && rhsType instanceof PlaceholderType)
-			//	result.get(6).add(unifyCase7((SuperType) lhsType, (PlaceholderType) rhsType, fc));
-			
-			// Case 8: (Theta <.? a)
-			else if(pairOp == PairOperator.SMALLERDOTWC && rhsType instanceof PlaceholderType)
-				if (first) { //writeLog(pair.toString()+"\n");
-					result.get(7).add(
-							unifyCase8(lhsType, (PlaceholderType) rhsType, (byte)0, fc));
-				}
-				else {
-					Set<UnifyPair> s1 = new HashSet<>();
-					s1.add(pair);
-					Set<Set<UnifyPair>> s2 = new HashSet<>();
-					s2.add(s1);
-					result.get(7).add(s2);
-				}
-			// Case unknown: If a pair fits no other case, then the type unification has failed.
-			// Through application of the rules, every pair should have one of the above forms.
-			// Pairs that do not have one of the aboves form are contradictory.
-			else {
-				// If a pair is not defined, the unificiation will fail, so the loop can be stopped here.
-				undefined.add(pair); 
-				break;
-			}
-			first = false;
-		}
-		
-		// Filter empty sets or sets that only contain an empty set.
-		return result.stream().map(x -> x.stream().filter(y -> y.size() > 0).collect(Collectors.toCollection(HashSet::new)))
-				.filter(x -> x.size() > 0).collect(Collectors.toCollection(HashSet::new));
-	}
-	
-	/**
-	 * Cartesian product Case 1: (a <. Theta') 
-	 */
-	protected Set<Set<UnifyPair>> unifyCase1(PlaceholderType a, UnifyType thetaPrime, byte variance, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		boolean allGen = thetaPrime.getTypeParams().size() > 0;
-		for(UnifyType t : thetaPrime.getTypeParams())
-			if(!(t instanceof PlaceholderType) || !((PlaceholderType) t).isGenerated()) {
-				allGen = false;
-				break;
-			}
-		
-		Set<UnifyType> cs = fc.getAllTypesByName(thetaPrime.getName());//cs= [java.util.Vector<NP>, java.util.Vector<java.util.Vector<java.lang.Integer>>, ????java.util.Vector<gen_hv>???]
-		
-		//PL 18-02-06 entfernt, kommt durch unify wieder rein
-		//cs.add(thetaPrime);
-		//PL 18-02-06 entfernt
-		
-		for(UnifyType c : cs) {
-			//PL 18-02-05 getChildren durch smaller ersetzt in getChildren werden die Varianlen nicht ersetzt.
-			Set<UnifyType> thetaQs = fc.smaller(c).stream().collect(Collectors.toCollection(HashSet::new));
-			//Set<UnifyType> thetaQs = fc.getChildren(c).stream().collect(Collectors.toCollection(HashSet::new));
-		    //thetaQs.add(thetaPrime); //PL 18-02-05 wieder geloescht
-			                           //PL 2017-10-03: War auskommentiert habe ich wieder einkommentiert, 
-		                               //da children offensichtlich ein echtes kleiner und kein kleinergleich ist
-			
-			//PL 18-02-06: eingefuegt, thetaQs der Form V<V<...>> <. V'<V<...>> werden entfernt
-			thetaQs = thetaQs.stream().filter(ut -> ut.getTypeParams().arePlaceholders()).collect(Collectors.toCollection(HashSet::new));
-			//PL 18-02-06: eingefuegt
-			
-			Set<UnifyType> thetaQPrimes = new HashSet<>();
-			TypeParams cParams = c.getTypeParams();
-			if(cParams.size() == 0)
-				thetaQPrimes.add(c);
-			else {
-				ArrayList<Set<UnifyType>> candidateParams = new ArrayList<>();
-				
-				for(UnifyType param : cParams)
-					candidateParams.add(fc.grArg(param));
-			
-				for(TypeParams tp : permuteParams(candidateParams))
-					thetaQPrimes.add(c.setTypeParams(tp));
-			}
-			
-			for(UnifyType tqp : thetaQPrimes) {
-				//System.out.println(tqp.toString());
-				//i++;
-				//System.out.println(i);
-				//if (i == 62)
-				//	System.out.println(tqp.toString());
-				Optional<Unifier> opt = stdUnify.unify(tqp, thetaPrime);
-				if (!opt.isPresent())
-					continue;
-				
-				Unifier unifier = opt.get();
-				unifier.swapPlaceholderSubstitutions(thetaPrime.getTypeParams());
-				Set<UnifyPair> substitutionSet = new HashSet<>();
-				for (Entry<PlaceholderType, UnifyType> sigma : unifier)
-					substitutionSet.add(new UnifyPair(sigma.getKey(), sigma.getValue(), PairOperator.EQUALSDOT));
-				
-				//List<UnifyType> freshTphs = new ArrayList<>(); PL 18-02-06 in die For-Schleife verschoben
-				for (UnifyType tq : thetaQs) {
-					Set<UnifyType> smaller = fc.smaller(unifier.apply(tq)); 
-					for(UnifyType theta : smaller) {
-						List<UnifyType> freshTphs = new ArrayList<>();
-						Set<UnifyPair> resultPrime = new HashSet<>();
-						
-						for(int i = 0; !allGen && i < theta.getTypeParams().size(); i++) {
-							if(freshTphs.size()-1 < i)
-								freshTphs.add(PlaceholderType.freshPlaceholder());
-							resultPrime.add(new UnifyPair(freshTphs.get(i), theta.getTypeParams().get(i), PairOperator.SMALLERDOTWC));
-						}
-						
-						if(allGen)
-							resultPrime.add(new UnifyPair(a, theta, PairOperator.EQUALSDOT));
-						else 
-							resultPrime.add(new UnifyPair(a, theta.setTypeParams(new TypeParams(freshTphs.toArray(new UnifyType[0]))), PairOperator.EQUALSDOT));
-						resultPrime.addAll(substitutionSet);
-						//writeLog("Substitution: " + substitutionSet.toString());
-						resultPrime = resultPrime.stream().map(x -> { x.setVariance(variance); return x;}).collect(Collectors.toCollection(HashSet::new));
-						result.add(resultPrime);
-						//writeLog("Result: " + resultPrime.toString());
-						//writeLog("MAX: " + oup.max(resultPrime.iterator()).toString());
-					}
-				}
-
-			}
-		}
-		
-		return result;
-	}
-	
-	/**
-	 * Cartesian Product Case 2: (a <.? ? ext Theta')
-	 */
-	private Set<Set<UnifyPair>> unifyCase2(PlaceholderType a, ExtendsType extThetaPrime, byte variance, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		UnifyType aPrime = PlaceholderType.freshPlaceholder();
-		UnifyType extAPrime = new ExtendsType(aPrime);
-		UnifyType thetaPrime = extThetaPrime.getExtendedType();
-		Set<UnifyPair> resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, thetaPrime, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-			
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, extAPrime, PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(aPrime, thetaPrime, PairOperator.SMALLERDOT));
-		resultPrime = resultPrime.stream().map(x -> { x.setVariance(variance); return x;}).collect(Collectors.toCollection(HashSet::new));
-		result.add(resultPrime);
-		//writeLog("Result: " + resultPrime.toString());
-		return result;
-	}
-	
-	/**
-	 * Cartesian Product Case 3: (a <.? ? sup Theta')
-	 */
-	private Set<Set<UnifyPair>> unifyCase3(PlaceholderType a, SuperType subThetaPrime, byte variance, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		UnifyType aPrime = PlaceholderType.freshPlaceholder();
-		UnifyType supAPrime = new SuperType(aPrime);
-		UnifyType thetaPrime = subThetaPrime.getSuperedType();
-		Set<UnifyPair> resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(thetaPrime, a, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-		//writeLog(resultPrime.toString());
-			
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, supAPrime, PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(thetaPrime, aPrime, PairOperator.SMALLERDOT));
-		resultPrime = resultPrime.stream().map(x -> { x.setVariance(variance); return x;}).collect(Collectors.toCollection(HashSet::new));
-		result.add(resultPrime);
-		//writeLog(resultPrime.toString());
-		
-		return result;
-	}
-	
-	/**
-	 * Cartesian Product Case 5: (Theta <. a)
-	 */
-	private Set<Set<UnifyPair>> unifyCase5(UnifyType theta, PlaceholderType a, byte variance, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		
-		boolean allGen = theta.getTypeParams().size() > 0;
-		for(UnifyType t : theta.getTypeParams())
-			if(!(t instanceof PlaceholderType) || !((PlaceholderType) t).isGenerated()) {
-				allGen = false;
-				break;
-			}
-		
-		for(UnifyType thetaS : fc.greater(theta)) {
-			Set<UnifyPair> resultPrime = new HashSet<>();
-			
-			UnifyType[] freshTphs = new UnifyType[thetaS.getTypeParams().size()];
-			for(int i = 0; !allGen && i < freshTphs.length; i++) {
-				freshTphs[i] = PlaceholderType.freshPlaceholder();
-				resultPrime.add(new UnifyPair(thetaS.getTypeParams().get(i), freshTphs[i], PairOperator.SMALLERDOTWC));
-			}
-			
-			if(allGen)
-				resultPrime.add(new UnifyPair(a, thetaS, PairOperator.EQUALSDOT));
-			else
-				resultPrime.add(new UnifyPair(a, thetaS.setTypeParams(new TypeParams(freshTphs)), PairOperator.EQUALSDOT));
-			resultPrime = resultPrime.stream().map(x -> { x.setVariance(variance); return x;}).collect(Collectors.toCollection(HashSet::new));
-			result.add(resultPrime);
-			//writeLog(resultPrime.toString());
-		}
-	
-		return result;
-	}
-
-	/**
-	 * Cartesian Product Case 8: (Theta <.? a)
-	 */
-	private Set<Set<UnifyPair>> unifyCase8(UnifyType theta, PlaceholderType a, byte variance, IFiniteClosure fc) {
-		Set<Set<UnifyPair>> result = new HashSet<>();
-		//for(UnifyType thetaS : fc.grArg(theta)) {
-		Set<UnifyPair> resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, theta, PairOperator.EQUALSDOT));
-		result.add(resultPrime);
-		//writeLog(resultPrime.toString());
-		
-		UnifyType freshTph = PlaceholderType.freshPlaceholder();
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, new ExtendsType(freshTph), PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(theta, freshTph, PairOperator.SMALLERDOT));
-		result.add(resultPrime);
-		//writeLog(resultPrime.toString());
-
-		resultPrime = new HashSet<>();
-		resultPrime.add(new UnifyPair(a, new SuperType(freshTph), PairOperator.EQUALSDOT));
-		resultPrime.add(new UnifyPair(freshTph, theta, PairOperator.SMALLERDOT));
-		resultPrime = resultPrime.stream().map(x -> { x.setVariance(variance); return x;}).collect(Collectors.toCollection(HashSet::new));
-		result.add(resultPrime);
-		//writeLog(resultPrime.toString());
-		//}
-	
-		return result;
-	}
-	
-	/**
-	 * Takes a set of candidates for each position and computes all possible permutations.
-	 * @param candidates The length of the list determines the number of type params. Each set
-	 * contains the candidates for the corresponding position.
-	 */
-	protected Set<TypeParams> permuteParams(ArrayList<Set<UnifyType>> candidates) {
-		Set<TypeParams> result = new HashSet<>();
-		permuteParams(candidates, 0, result, new UnifyType[candidates.size()]);
-		return result;
-	}
-	
-	/**
-	 * Takes a set of candidates for each position and computes all possible permutations.
-	 * @param candidates The length of the list determines the number of type params. Each set
-	 * contains the candidates for the corresponding position.
-	 * @param idx Idx for the current permutatiton.
-	 * @param result Set of all permutations found so far
-	 * @param current The permutation of type params that is currently explored
-	 */
-	private void permuteParams(ArrayList<Set<UnifyType>> candidates, int idx, Set<TypeParams> result, UnifyType[] current) {
-		if(candidates.size() == idx) {
-			result.add(new TypeParams(Arrays.copyOf(current, current.length)));
-			return;
-		}
-		
-		Set<UnifyType> localCandidates = candidates.get(idx);
-		
-		for(UnifyType t : localCandidates) {
-			current[idx] = t;
-			permuteParams(candidates, idx+1, result, current);
-		}
-	}
-	
-	void writeLog(String str) {
-		try {
-			logFile.write(str+"\n");
-			logFile.flush();
-			
-		}
-		catch (IOException e) { }
-	}
-}

src/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java

@@ -1,117 +0,0 @@
-package de.dhbwstuttgart.typeinference.unify.model;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-
-
-/**
- * A pair which contains two types and an operator, e.q. (Integer <. a).
- * @author Florian Steurer
- */
-public class UnifyPair {
-	
-	/**
-	 * The type on the left hand side of the pair.
-	 */
-	private final UnifyType lhs;
-	
-	/**
-	 * The type on the right hand side of the pair.
-	 */
-	private final UnifyType rhs;
-	
-	/**
-	 * The operator that determines the relation between the left and right hand side type.
-	 */
-	private PairOperator pairOp;
-	
-    private byte variance = 0;
-    
-    private boolean undefinedPair = false;
-	
-	private final int hashCode;
-	
-	/**
-	 * Creates a new instance of the pair.
-	 * @param lhs The type on the left hand side of the pair.
-	 * @param rhs The type on the right hand side of the pair.
-	 * @param op The operator that determines the relation between the left and right hand side type.
-	 */
-	public UnifyPair(UnifyType lhs, UnifyType rhs, PairOperator op) {
-		this.lhs = lhs;
-		this.rhs = rhs;
-		pairOp = op;
-		
-		// Caching hashcode
-		hashCode = 17 + 31 * lhs.hashCode() + 31 * rhs.hashCode() + 31 * pairOp.hashCode();
-	}	
-	
-	/**
-	 * Returns the type on the left hand side of the pair.
-	 */
-	public UnifyType getLhsType() {
-		return lhs;
-	}
-	
-	/**
-	 * Returns the type on the right hand side of the pair.
-	 */
-	public UnifyType getRhsType() {
-		return rhs;
-	}
-	
-	/**
-	 * Returns the operator that determines the relation between the left and right hand side type.
-	 */
-	public PairOperator getPairOp() {
-		return pairOp;
-	}
-	
-	public byte getVariance() {
-		return variance;
-	}
-	
-	public void setVariance(byte v) {
-		variance = v;
-	}
-	
-	public boolean isUndefinedPair() {
-		return undefinedPair;
-	}
-	@Override
-	public boolean equals(Object obj) {
-		if(!(obj instanceof UnifyPair))
-			return false;
-		
-		if(obj.hashCode() != this.hashCode())
-			return false;
-
-		UnifyPair other = (UnifyPair) obj;
-		
-		return other.getPairOp() == pairOp 
-				&& other.getLhsType().equals(lhs) 
-				&& other.getRhsType().equals(rhs);
-	}
-
-	@Override
-	public int hashCode() {
-		return hashCode;
-	}
-	
-	@Override
-	public String toString() {
-		return "(" + lhs + " " + pairOp + " " + rhs + ")";
-	}
-
-	/*
-	public List<? extends PlaceholderType> getInvolvedPlaceholderTypes() {
-		ArrayList<PlaceholderType> ret = new ArrayList<>();
-		ret.addAll(lhs.getInvolvedPlaceholderTypes());
-		ret.addAll(rhs.getInvolvedPlaceholderTypes());
-		return ret;
-	}
-	*/
-}
-
-

src/main/java/de/dhbwstuttgart/bytecode/BytecodeGen.java

@@ -1,25 +1,22 @@
 package de.dhbwstuttgart.bytecode;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.Optional;
 
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.syntaxtree.statement.*;
 import org.objectweb.asm.ClassWriter;
 import org.objectweb.asm.FieldVisitor;
 import org.objectweb.asm.MethodVisitor;
 import org.objectweb.asm.Opcodes;
 import org.objectweb.asm.Type;
 
-import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
+import de.dhbwstuttgart.bytecode.Exception.BytecodeGeneratorError;
 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
-import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
 import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
 import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
 import de.dhbwstuttgart.bytecode.signature.Signature;
@@ -29,9 +26,47 @@ import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
 import de.dhbwstuttgart.bytecode.utilities.NormalConstructor;
 import de.dhbwstuttgart.bytecode.utilities.NormalMethod;
 import de.dhbwstuttgart.bytecode.utilities.Simplify;
+import de.dhbwstuttgart.bytecode.utilities.SimplifyResult;
+import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
-import de.dhbwstuttgart.syntaxtree.*;
+import de.dhbwstuttgart.syntaxtree.ASTVisitor;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.Constructor;
+import de.dhbwstuttgart.syntaxtree.Field;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
+import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.ParameterList;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
+import de.dhbwstuttgart.syntaxtree.statement.Assign;
+import de.dhbwstuttgart.syntaxtree.statement.AssignToField;
+import de.dhbwstuttgart.syntaxtree.statement.BinaryExpr;
+import de.dhbwstuttgart.syntaxtree.statement.Block;
+import de.dhbwstuttgart.syntaxtree.statement.CastExpr;
+import de.dhbwstuttgart.syntaxtree.statement.DoStmt;
+import de.dhbwstuttgart.syntaxtree.statement.EmptyStmt;
+import de.dhbwstuttgart.syntaxtree.statement.ExpressionReceiver;
+import de.dhbwstuttgart.syntaxtree.statement.FieldVar;
+import de.dhbwstuttgart.syntaxtree.statement.ForStmt;
+import de.dhbwstuttgart.syntaxtree.statement.IfStmt;
+import de.dhbwstuttgart.syntaxtree.statement.InstanceOf;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
 import de.dhbwstuttgart.syntaxtree.statement.Literal;
+import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
+import de.dhbwstuttgart.syntaxtree.statement.LocalVarDecl;
+import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
+import de.dhbwstuttgart.syntaxtree.statement.NewArray;
+import de.dhbwstuttgart.syntaxtree.statement.NewClass;
+import de.dhbwstuttgart.syntaxtree.statement.Return;
+import de.dhbwstuttgart.syntaxtree.statement.ReturnVoid;
+import de.dhbwstuttgart.syntaxtree.statement.StaticClassName;
+import de.dhbwstuttgart.syntaxtree.statement.Super;
+import de.dhbwstuttgart.syntaxtree.statement.SuperCall;
+import de.dhbwstuttgart.syntaxtree.statement.This;
+import de.dhbwstuttgart.syntaxtree.statement.UnaryExpr;
+import de.dhbwstuttgart.syntaxtree.statement.WhileStmt;
 import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
@@ -39,203 +74,239 @@ import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
-import de.dhbwstuttgart.typeinference.result.ResolvedType;
-import de.dhbwstuttgart.typeinference.result.ResultPair;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
 
 public class BytecodeGen implements ASTVisitor {
-	
-	ClassWriter cw =new ClassWriter(ClassWriter.COMPUTE_FRAMES|ClassWriter.COMPUTE_MAXS);
-	
+
+	ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
+
 	String type;
-	
+
 	public static RefTypeOrTPHOrWildcardOrGeneric THISTYPE = null;
 	String className;
 	private boolean isInterface;
-	private List<ResultSet> listOfResultSets;
+	private Collection<ResultSet> listOfResultSets;
 	private ResultSet resultSet;
 	private SourceFile sf;
 	private String path;
-	
+
 	private Optional<Constructor> fieldInitializations;
-	
+
 	private int indexOfFirstParam = 0;
-	
+
 	private String superClass;
-	
-	private ArrayList<TypePlaceholder> tphsClass;
-	
-	// stores parameter, local vars and the next index on the local variable table, which use for aload_i, astore_i,...
+
+	private ArrayList<String> tphsClass;
+
+	// stores parameter, local vars and the next index on the local variable table,
+	// which use for aload_i, astore_i,...
 	HashMap<String, Integer> paramsAndLocals = new HashMap<>();
 	// stores generics and their bounds of class
 	HashMap<String, String> genericsAndBounds = new HashMap<>();
-	
+
 	private int constructorPos = 0;
-	
+
 	private final TPHExtractor tphExtractor = new TPHExtractor();
 	private final ArrayList<GenericInsertPair> commonPairs = new ArrayList<>();
-	
-	HashMap<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
+
+	HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
 	byte[] bytecode;
-	HashMap<String,byte[]> classFiles;
-	
-	ArrayList<String> methodNameAndParamsT = new ArrayList<>();
-	
-	public BytecodeGen(HashMap<String,byte[]> classFiles, List<ResultSet> listOfResultSets,SourceFile sf ,String path) {
+	HashMap<String, byte[]> classFiles;
+
+	private final ArrayList<String> methodNameAndParamsT = new ArrayList<>();
+	private final ArrayList<String> fieldNameAndParamsT = new ArrayList<>();
+
+	private HashMap<String, SimplifyResult> simplifyResults = new HashMap<>();
+	private List<HashMap<String, SimplifyResult>> simplifyResultsList = new ArrayList<>();
+
+	private final ArrayList<String> fieldNameSignature = new ArrayList<>();
+
+	public List<HashMap<String, SimplifyResult>> getSimplifyResultsList() {
+		return simplifyResultsList;
+	}
+
+	public void setSimplifyResultsList(List<HashMap<String, SimplifyResult>> simplifyResultsList) {
+		this.simplifyResultsList = simplifyResultsList;
+	}
+
+	public BytecodeGen(HashMap<String, byte[]> classFiles, Collection<ResultSet> listOfResultSets, SourceFile sf,
+			String path) {
 		this.classFiles = classFiles;
 		this.listOfResultSets = listOfResultSets;
 		this.sf = sf;
 		this.path = path;
 	}
-	
+
 	@Override
 	public void visit(SourceFile sourceFile) {
-		for(ClassOrInterface cl : sourceFile.getClasses()) {
+		for (ClassOrInterface cl : sourceFile.getClasses()) {
 			System.out.println("in Class: " + cl.getClassName().toString());
 			BytecodeGen classGen = new BytecodeGen(classFiles, listOfResultSets, sf, path);
 			cl.accept(classGen);
+			simplifyResultsList.add(classGen.getSimplifyResults());
 			classGen.writeClass(cl.getClassName().toString());
 		}
 	}
-	
+
 	/**
-	 * Associates the bytecode of the class that was build with the classWriter {@link #cw}
-	 * with the class name in the map {@link #classFiles}
+	 * Associates the bytecode of the class that was build with the classWriter
+	 * {@link #cw} with the class name in the map {@link #classFiles}
 	 * 
 	 * @param name name of the class with which the the bytecode is to be associated
 	 */
 	private void writeClass(String name) {
 		bytecode = cw.toByteArray();
 		classFiles.put(name, bytecode);
-		
+
 	}
-	
-	public HashMap<String,byte[]> getClassFiles() {
+
+	public HashMap<String, byte[]> getClassFiles() {
 		return classFiles;
 	}
-	
-	
+
 	@Override
 	public void visit(ClassOrInterface classOrInterface) {
-		
-		className = classOrInterface.getClassName().toString();
-		
-		cw.visitSource(className +".jav", null);
-		
-		isInterface = (classOrInterface.getModifiers()&512)==512;
 
-		int acc = isInterface?classOrInterface.getModifiers()+Opcodes.ACC_ABSTRACT:classOrInterface.getModifiers()+Opcodes.ACC_SUPER;
-		
+		className = classOrInterface.getClassName().toString();
+
+		cw.visitSource(className + ".jav", null);
+
+		isInterface = (classOrInterface.getModifiers() & 512) == 512;
+
+		int acc = isInterface ? classOrInterface.getModifiers() + Opcodes.ACC_ABSTRACT
+				: classOrInterface.getModifiers() + Opcodes.ACC_SUPER;
+
 		fieldInitializations = classOrInterface.getfieldInitializations();
-		
+
 //		resultSet = listOfResultSets.get(0);
 		boolean isConsWithNoParamsVisited = false;
 		boolean isVisited = false;
-		for(ResultSet rs : listOfResultSets) {
+		List<ResultSet> listOfResultSetsList = new ArrayList<>(listOfResultSets);
+		for (int i = 0; i < listOfResultSetsList.size(); i++) {
+		//for (ResultSet rs : listOfResultSets) {
 			superClass = classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor());
-			resultSet = rs;
+			resultSet = listOfResultSetsList.get(i);
 			tphExtractor.setResultSet(resultSet);
-			
+
 			// Nur einmal ausführen!!
-			if(!isVisited) {
+			if (!isVisited) {
 				classOrInterface.accept(tphExtractor);
 
 				getCommonTPHS(tphExtractor);
-				
+
 				tphsClass = new ArrayList<>();
-				for(TypePlaceholder t : tphExtractor.allTPHS.keySet()) {
-					if(!tphExtractor.allTPHS.get(t))
+				for (String t : tphExtractor.allTPHS.keySet()) {
+					if (!tphExtractor.allTPHS.get(t))
 						tphsClass.add(t);
 				}
 
 				String sig = null;
-				/* if class has generics then creates signature
-				 * Signature looks like:
-				 * <E:Ljava/...>Superclass 
+				/*
+				 * if class has generics then creates signature Signature looks like:
+				 * <E:Ljava/...>Superclass
 				 */
-				if(classOrInterface.getGenerics().iterator().hasNext() || !commonPairs.isEmpty() || 
-						classOrInterface.getSuperClass().acceptTV(new TypeToSignature()).contains("<")
+				if (classOrInterface.getGenerics().iterator().hasNext() || !commonPairs.isEmpty()
+						|| classOrInterface.getSuperClass().acceptTV(new TypeToSignature()).contains("<")
 						|| !tphsClass.isEmpty()) {
-					HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraintsClass(tphExtractor,tphsClass);
+					HashMap<TPHConstraint, HashSet<String>> constraints = Simplify
+							.simplifyConstraintsClass(tphExtractor, tphsClass);
 					ArrayList<TPHConstraint> consClass = new ArrayList<>();
-					for(TPHConstraint cons : constraints.keySet()) {
-						TypePlaceholder right = null;
-						for(TypePlaceholder tph : tphsClass) {
-							if(cons.getLeft().equals(tph.getName())) {
-								
+					for (TPHConstraint cons : constraints.keySet()) {
+						String right = null;
+						boolean isToAdd = false;
+						for (String tph : tphsClass) {
+							if (cons.getLeft().equals(tph)) {
+
 								consClass.add(cons);
-								right = getTPH(cons.getRight());
+								try {
+									right = getTPH(cons.getRight());
+									isToAdd = true;
+								} catch (NoSuchElementException e) {
+									continue;
+								}
+
 							}
 						}
-						if(right != null) {
+						if (isToAdd) {
 							tphsClass.add(right);
-							removeFromMethod(right.getName());
+							removeFromMethod(right);
 							right = null;
+							isToAdd = false;
 						}
+//						if(right != null) {
+//							tphsClass.add(right);
+//							removeFromMethod(right);
+//							right = null;
+//						}
 					}
-					Signature signature = new Signature(classOrInterface, genericsAndBounds,commonPairs,tphsClass, consClass);
+
+					SimplifyResult sRes = new SimplifyResult(consClass, tphsClass, new HashMap<>());
+					simplifyResults.put(className, sRes);
+
+					Signature signature = new Signature(classOrInterface, genericsAndBounds, commonPairs, tphsClass,
+							consClass);
 					sig = signature.toString();
 					System.out.println("Signature: => " + sig);
 				}
-				
-				cw.visit(Opcodes.V1_8, acc, classOrInterface.getClassName().toString()
-						, sig, classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor()), null);
-				
+
+				cw.visit(Opcodes.V1_8, acc, classOrInterface.getClassName().toString(), sig,
+						classOrInterface.getSuperClass().acceptTV(new TypeToDescriptor()), null);
+
 				isVisited = true;
 			}
-			
-			for(Field f : classOrInterface.getFieldDecl()) {
+
+			for (Field f : classOrInterface.getFieldDecl()) {
 				f.accept(this);
 			}
-			
-			for(Constructor c : classOrInterface.getConstructors()) {
+
+			for (Constructor c : classOrInterface.getConstructors()) {
 //				if(!isConsWithNoParamsVisited) {
-					c.accept(this);
+				c.accept(this);
 //				}
-					
+
 //				if(!c.getParameterList().iterator().hasNext())
 //					isConsWithNoParamsVisited = true;
 			}
-			
-			for(Method m : classOrInterface.getMethods()) {
+
+			for (Method m : classOrInterface.getMethods()) {
 				m.accept(this);
 			}
-		
+
 		}
-		
+
 	}
 
 	private void removeFromMethod(String name) {
-		for(MethodAndTPH m : tphExtractor.ListOfMethodsAndTph) {
+		for (MethodAndTPH m : tphExtractor.ListOfMethodsAndTph) {
 			ArrayList<String> toRemove = new ArrayList<>();
-			for(String tph : m.getTphs()) {
-				if(tph.equals(name)) {
+			for (String tph : m.getTphs()) {
+				if (tph.equals(name)) {
 					toRemove.add(tph);
 				}
 			}
-			
-			if(!toRemove.isEmpty()) {
+
+			if (!toRemove.isEmpty()) {
 				m.getTphs().removeAll(toRemove);
 				return;
 			}
 		}
-		
+
 	}
 
-	private TypePlaceholder getTPH(String name) {
-		for(TypePlaceholder tph: tphExtractor.allTPHS.keySet()) {
-			if(tph.getName().equals(name))
+	private String getTPH(String name) {
+		for (String tph : tphExtractor.allTPHS.keySet()) {
+			if (tph.equals(name))
 				return tph;
 		}
-		throw new NoSuchElementException("TPH "+name +" does not exist");
+		throw new NoSuchElementException("TPH " + name + " does not exist");
 	}
 
 	private void getCommonTPHS(TPHExtractor tphExtractor) {
 		// Gemeinsame TPHs
-		ArrayList<TypePlaceholder> cTPHs = new ArrayList<>();
+		ArrayList<String> cTPHs = new ArrayList<>();
 		// Alle TPHs der Felder speichern
-		for(TypePlaceholder tph : tphExtractor.allTPHS.keySet()) {
-			if(!tphExtractor.allTPHS.get(tph))
+		for (String tph : tphExtractor.allTPHS.keySet()) {
+			if (!tphExtractor.allTPHS.get(tph))
 				cTPHs.add(tph);
 		}
 	}
@@ -243,156 +314,179 @@ public class BytecodeGen implements ASTVisitor {
 	@Override
 	public void visit(Constructor field) {
 		System.out.println("ResultSet: ");
-		resultSet.results.forEach(a->{
+		resultSet.results.forEach(a -> {
 			System.out.println(a.getLeft().toString() + " = " + a.getRight().toString());
 		});
 		System.out.println("---------------");
-		
+
 		// stores generics and their bounds of method
 		HashMap<String, String> genericsAndBoundsMethod = new HashMap<>();
-		
+
 		field.getParameterList().accept(this);
-		
-		String methParamTypes = field.name+"%%";
-		
+
+		String methParamTypes = field.name + "%%";
+
 		Iterator<FormalParameter> itr = field.getParameterList().iterator();
-		while(itr.hasNext()) {
+		while (itr.hasNext()) {
 			FormalParameter fp = itr.next();
-			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+";";
+			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()) + ";";
 //			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToSignature())+";";
 		}
-		
-		if(methodNameAndParamsT.contains(methParamTypes)) {
-			System.out.println("ignore - Method: "+field.name +" , paramsType: "+methParamTypes);
+
+		if (methodNameAndParamsT.contains(methParamTypes)) {
+			System.out.println("ignore - Method: " + field.name + " , paramsType: " + methParamTypes);
 			return;
 		}
 		methodNameAndParamsT.add(methParamTypes);
-		System.out.println("Method: "+field.name +" , paramsType: "+methParamTypes);
-		
+		System.out.println("Method: " + field.name + " , paramsType: " + methParamTypes);
+
 		String desc = null;
 		boolean hasGen = false;
-		
-		for(String paramName : methodParamsAndTypes.keySet()) {
+
+		for (String paramName : methodParamsAndTypes.keySet()) {
 			String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToSignature());
 			System.out.println(typeOfParam);
-			if(genericsAndBounds.containsKey(typeOfParam) ||typeOfParam.contains("$")
-					|| typeOfParam.contains("<")) {
+			if (genericsAndBounds.containsKey(typeOfParam) || typeOfParam.contains("$") || typeOfParam.contains("<")) {
 				hasGen = true;
 				break;
 			}
 		}
 		String sig = null;
-		if(hasGen) {
-			HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(field.name, tphExtractor,tphsClass);
-			Signature signature = new Signature(field, genericsAndBounds,methodParamsAndTypes,resultSet,constraints);
+		if (hasGen) {
+			HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(field.name, tphExtractor,
+					tphsClass);
+			Signature signature = new Signature(field, genericsAndBounds, methodParamsAndTypes, resultSet, constraints);
 			sig = signature.toString();
 		}
-		if(field.getParameterList().iterator().hasNext())
+		if (field.getParameterList().iterator().hasNext())
 			System.out.println(field.getParameterList().iterator().next().getType().acceptTV(new TypeToDescriptor()));
-		
-		NormalConstructor constructor = new NormalConstructor(field,genericsAndBounds,hasGen);
+
+		NormalConstructor constructor = new NormalConstructor(field, genericsAndBounds, hasGen);
 		desc = constructor.accept(new DescriptorToString(resultSet));
-		System.out.println("Constructor: " + field.getName() + " Sig: "+ sig + " Desc: " + desc);
+		System.out.println("Constructor: " + field.getName() + " Sig: " + sig + " Desc: " + desc);
 		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", desc, sig, null);
-		mv.visitCode();	
-		
+		mv.visitCode();
+
 		Block block = fieldInitializations.get().block;
-		
+
 		constructorPos += 1;
-		
-		BytecodeGenMethod gen = new BytecodeGenMethod(className,superClass,resultSet,field, mv,paramsAndLocals,cw,
-				genericsAndBoundsMethod,genericsAndBounds,isInterface,classFiles, sf,path, block, constructorPos);
-		if(!field.getParameterList().iterator().hasNext() && !(field.block.statements.get(field.block.statements.size()-1) instanceof ReturnVoid)) {
+
+		BytecodeGenMethod gen = new BytecodeGenMethod(className, superClass, resultSet, field, mv, paramsAndLocals, cw,
+				genericsAndBoundsMethod, genericsAndBounds, isInterface, classFiles, sf, path, block, constructorPos);
+		if (!field.getParameterList().iterator().hasNext()
+				&& !(field.block.statements.get(field.block.statements.size() - 1) instanceof ReturnVoid)) {
 			mv.visitInsn(Opcodes.RETURN);
 		}
 		mv.visitMaxs(0, 0);
 		mv.visitEnd();
 	}
-	
+
 	@Override
 	public void visit(Method method) {
-		// TODO: check if the method is static => if static then the first param will be stored in pos 0
+		// TODO: check if the method is static => if static then the first param will be
+		// stored in pos 0
 		// else it will be stored in pos 1 and this will be stored in pos 0
 		String retType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
 //		String retType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
-		String methParamTypes = retType+method.name+"%%";
+		String methParamTypes = retType + method.name + "%%";
 		method.getParameterList().accept(this);
 
 		Iterator<FormalParameter> itr = method.getParameterList().iterator();
-		while(itr.hasNext()) {
+		while (itr.hasNext()) {
 			FormalParameter fp = itr.next();
-			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+";";
+			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor()) + ";";
 //			methParamTypes += resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToSignature())+";";
 		}
-		
-		if(methodNameAndParamsT.contains(methParamTypes)) {
+
+		if (methodNameAndParamsT.contains(methParamTypes)) {
 			return;
 		}
 		methodNameAndParamsT.add(methParamTypes);
-		System.out.println("Method: "+method.name +" , paramsType: "+methParamTypes);
+		System.out.println("Method: " + method.name + " , paramsType: " + methParamTypes);
 		// stores generics and their bounds of method
 		HashMap<String, String> genericsAndBoundsMethod = new HashMap<>();
 		String methDesc = null;
-		
+
 		// Method getModifiers() ?
-		int acc = isInterface?Opcodes.ACC_ABSTRACT:method.modifier;
+		int acc = isInterface ? Opcodes.ACC_ABSTRACT : method.modifier;
 		System.out.println(acc);
-		
-		/*Prüfe, ob die Rückgabe-Type der Methode eine Type-Variable ist*/
-		boolean hasGenInParameterList = genericsAndBounds.containsKey(retType) || retType.subSequence(0, 4).equals("TPH ") ||
-										resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature()).contains("<");
-		/*Wenn die Rückgabe-Type eine Typ-variable ist, erzeuge direkt die Signature, wenn nicht,
-		 * prüfe, ob einer der Parameter Typ-Variable als Typ hat*/
-		if(!hasGenInParameterList) {
-			for(String paramName : methodParamsAndTypes.keySet()) {
+
+		/* Prüfe, ob die Rückgabe-Type der Methode eine Type-Variable ist */
+		boolean hasGenInParameterList = genericsAndBounds.containsKey(retType) || retType.contains("TPH ")
+				|| resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature())
+						.contains("<");
+		/*
+		 * Wenn die Rückgabe-Type eine Typ-variable ist, erzeuge direkt die Signature,
+		 * wenn nicht, prüfe, ob einer der Parameter Typ-Variable als Typ hat
+		 */
+		if (!hasGenInParameterList) {
+			for (String paramName : methodParamsAndTypes.keySet()) {
 				String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToDescriptor());
 				String sigOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToSignature());
-				if(genericsAndBounds.containsKey(typeOfParam)||typeOfParam.substring(0, 4).equals("TPH ")||sigOfParam.contains("<")) {
+				if (genericsAndBounds.containsKey(typeOfParam) || typeOfParam.contains("TPH ")
+						|| sigOfParam.contains("<")) {
 					hasGenInParameterList = true;
 					break;
 				}
 			}
 		}
-		//TODO: Test if the return-type or any of the parameter is a parameterized type. (VP)
-		//then create the descriptor with the new syntax.
-		
+		// TODO: Test if the return-type or any of the parameter is a parameterized
+		// type. (VP)
+		// then create the descriptor with the new syntax.
+
 		String sig = null;
-		/* method.getGenerics: <....> RT method(..) 
-		 * */
+		/*
+		 * method.getGenerics: <....> RT method(..)
+		 */
 		boolean hasGen = method.getGenerics().iterator().hasNext() || hasGenInParameterList;
 		/* if method has generics or return type is TPH, create signature */
 		// zwite operand muss weggelassen werden
-		if(hasGen||resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToString()).equals("TPH")) {
+		if (hasGen || resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToString())
+				.equals("TPH")) {
 			System.out.println("ALL CONST: " + tphExtractor.allCons.size());
-			tphExtractor.allCons.forEach(c->System.out.println(c.toString()));
+			tphExtractor.allCons.forEach(c -> System.out.println(c.toString()));
 			System.out.println("----------------");
-			HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(method.name, tphExtractor, tphsClass);
+			HashMap<TPHConstraint, HashSet<String>> constraints = Simplify.simplifyConstraints(method.name,
+					tphExtractor, tphsClass);
 //			ArrayList<GenericInsertPair> pairs = simplifyPairs(method.name,tphExtractor.allPairs,tphExtractor.allCons);
-			Signature signature = new Signature(method, genericsAndBoundsMethod, genericsAndBounds,methodParamsAndTypes,resultSet,constraints);
+			Signature signature = new Signature(method, genericsAndBoundsMethod, genericsAndBounds,
+					methodParamsAndTypes, resultSet, constraints);
 			sig = signature.toString();
-		}
-		System.out.println(method.getName()+" ==> "+sig);
-		NormalMethod meth = new NormalMethod(method,genericsAndBounds,genericsAndBoundsMethod,hasGen);
-		methDesc = meth.accept(new DescriptorToString(resultSet));
-		
-//		System.out.println(methDesc);
-		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC+acc, method.getName(), methDesc, sig, null);
+			if (simplifyResults.containsKey(className)) {
+				simplifyResults.get(className).getMethodsConstraints().put(methParamTypes, constraints);
+			} else {
+				SimplifyResult sRes = new SimplifyResult(new ArrayList<>(), new ArrayList<>(), new HashMap<>());
+				sRes.getMethodsConstraints().put(methParamTypes, constraints);
+				simplifyResults.put(className, sRes);
+			}
+
+		}
+		System.out.println(method.getName() + " ==> " + sig);
+		NormalMethod meth = new NormalMethod(method, genericsAndBounds, genericsAndBoundsMethod, hasGen);
+		methDesc = meth.accept(new DescriptorToString(resultSet));
+
+//		System.out.println(methDesc);
+		MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC + acc, method.getName(), methDesc, sig, null);
+
+		mv.visitCode();
+		BytecodeGenMethod gen = new BytecodeGenMethod(className, superClass, resultSet, method, mv, paramsAndLocals, cw,
+				genericsAndBoundsMethod, genericsAndBounds, isInterface, classFiles, sf, path);
 
-		mv.visitCode();		
-		BytecodeGenMethod gen = new BytecodeGenMethod(className,superClass,resultSet,method, mv,paramsAndLocals,cw,
-				genericsAndBoundsMethod,genericsAndBounds,isInterface,classFiles, sf,path);
-		
 		mv.visitMaxs(0, 0);
 		mv.visitEnd();
 	}
-	
+
+	public HashMap<String, SimplifyResult> getSimplifyResults() {
+		return simplifyResults;
+	}
+
 	@Override
 	public void visit(ParameterList formalParameters) {
 		paramsAndLocals = new HashMap<>();
 		methodParamsAndTypes = new HashMap<>();
 		Iterator<FormalParameter> itr = formalParameters.iterator();
 		int i = 1;
-		while(itr.hasNext()) {
+		while (itr.hasNext()) {
 			FormalParameter fp = itr.next();
 			paramsAndLocals.put(fp.getName(), i);
 			methodParamsAndTypes.put(fp.getName(), resultSet.resolveType(fp.getType()).resolvedType);
@@ -400,39 +494,39 @@ public class BytecodeGen implements ASTVisitor {
 			i++;
 		}
 	}
-	
+
 	@Override
 	public void visit(FormalParameter formalParameter) {
 		formalParameter.getType().accept(this);
 	}
-	
+
 	@Override
 	public void visit(RefType refType) {
-		type = "L"+refType.toString()+";";
+		type = "L" + refType.toString() + ";";
 	}
 
 	@Override
 	public void visit(SuperWildcardType superWildcardType) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(TypePlaceholder typePlaceholder) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(ExtendsWildcardType extendsWildcardType) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(GenericRefType genericRefType) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	// ??
@@ -440,41 +534,51 @@ public class BytecodeGen implements ASTVisitor {
 	public void visit(FieldVar fieldVar) {
 		System.out.println("In FieldVar ---");
 //		cw.newField(fieldVar.receiver.toString(), fieldVar.fieldVarName.toString(), fieldVar.getType().toString());
-		FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, fieldVar.fieldVarName, "L"+fieldVar.getType()+";", null, null);
+		FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, fieldVar.fieldVarName, "L" + fieldVar.getType() + ";",
+				null, null);
 		fv.visitEnd();
 	}
-	
+
 	@Override
 	public void visit(Field field) {
 		System.out.println("In Field ---");
 		String des = "L";
-		if(resultSet.resolveType(field.getType()).resolvedType instanceof TypePlaceholder) {
+		if (resultSet.resolveType(field.getType()).resolvedType instanceof TypePlaceholder) {
 			des += Type.getInternalName(Object.class);
 		} else {
 			des += resultSet.resolveType(field.getType()).resolvedType.acceptTV(new TypeToDescriptor());
 		}
-		des +=";";
+		des += ";";
 		System.out.println(des);
 		String sig = resultSet.resolveType(field.getType()).resolvedType.acceptTV(new TypeToSignature());
 		System.out.println(sig);
-		if(sig.charAt(sig.length()-1) != (";").charAt(0)) {
-			sig +=";";
+		if (sig.charAt(sig.length() - 1) != (";").charAt(0)) {
+			sig += ";";
 		}
-		cw.visitField(field.modifier, field.getName(),
-				des, sig, 
-				null);
+		String nameAndDesc = field.getName() + "%%" + des;
+		String nameAndSig = field.getName() + "%%" + sig;
+		if (fieldNameAndParamsT.contains(nameAndDesc)) {
+			if (fieldNameSignature.contains(nameAndSig)) {
+				return;
+			}
+			throw new BytecodeGeneratorError("Bytecode generation aborted due to duplicate field name&signature");
+		}
+		fieldNameAndParamsT.add(nameAndDesc);
+		fieldNameSignature.add(nameAndSig);
+
+		cw.visitField(field.modifier, field.getName(), des, sig, null);
 	}
 
 	@Override
 	public void visit(LambdaExpression lambdaExpression) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(Assign assign) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
@@ -485,151 +589,151 @@ public class BytecodeGen implements ASTVisitor {
 	@Override
 	public void visit(Block block) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(CastExpr castExpr) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(EmptyStmt emptyStmt) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(ForStmt forStmt) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(IfStmt ifStmt) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(InstanceOf instanceOf) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(LocalVar localVar) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(LocalVarDecl localVarDecl) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(MethodCall methodCall) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(NewClass methodCall) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(NewArray newArray) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(Return aReturn) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(ReturnVoid aReturn) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(StaticClassName staticClassName) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(Super aSuper) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(This aThis) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(WhileStmt whileStmt) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(DoStmt whileStmt) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	// ???
 	@Override
 	public void visit(Literal literal) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(ArgumentList argumentList) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(GenericTypeVar genericTypeVar) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(GenericDeclarationList genericTypeVars) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(AssignToField assignLeftSide) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(AssignToLocal assignLeftSide) {
 		// TODO Auto-generated method stub
-		
+
 	}
 
 	@Override
 	public void visit(SuperCall superCall) {
-		
+
 	}
 
 	@Override
@@ -642,6 +746,5 @@ public class BytecodeGen implements ASTVisitor {
 	public void visit(UnaryExpr unaryExpr) {
 		throw new NotImplementedException();
 	}
-	
 
 }

src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java

@@ -33,12 +33,14 @@ import org.objectweb.asm.Type;
 import org.objectweb.asm.signature.SignatureVisitor;
 import org.objectweb.asm.signature.SignatureWriter;
 
+import de.dhbwstuttgart.bytecode.Exception.NotInCurrentPackageException;
 import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
 import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
 import de.dhbwstuttgart.bytecode.signature.Signature;
 import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
 import de.dhbwstuttgart.bytecode.utilities.KindOfLambda;
 import de.dhbwstuttgart.bytecode.utilities.Lambda;
+import de.dhbwstuttgart.bytecode.utilities.MethodCallHelper;
 import de.dhbwstuttgart.bytecode.utilities.MethodFromMethodCall;
 import de.dhbwstuttgart.bytecode.utilities.SamMethod;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
@@ -52,6 +54,7 @@ import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
+import javassist.NotFoundException;
 
 public class BytecodeGenMethod implements StatementVisitor {
 
@@ -140,7 +143,8 @@ public class BytecodeGenMethod implements StatementVisitor {
 	}
 
 	public BytecodeGenMethod(LambdaExpression lambdaExpression, ArrayList<String> usedVars, ResultSet resultSet, MethodVisitor mv,
-			int indexOfFirstParamLam, boolean isInterface, HashMap<String, byte[]> classFiles, String path, int lamCounter, SourceFile sf) {
+			int indexOfFirstParamLam, boolean isInterface, HashMap<String, byte[]> classFiles, String path, int lamCounter, SourceFile sf,HashMap<String, String> genericsAndBoundsMethod,
+			HashMap<String, String> genericsAndBounds) {
 
 		this.resultSet = resultSet;
 		this.mv = mv;
@@ -149,6 +153,9 @@ public class BytecodeGenMethod implements StatementVisitor {
 		this.path = path;
 		this.lamCounter = lamCounter;
 		this.sf = sf;
+		this.genericsAndBoundsMethod = genericsAndBoundsMethod;
+		this.genericsAndBounds = genericsAndBounds;
+		
 		Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
 		int i = indexOfFirstParamLam;
 		
@@ -644,7 +651,8 @@ public class BytecodeGenMethod implements StatementVisitor {
 			ArrayList<String> usedVars = kindOfLambda.getUsedVars();
 			
 			new BytecodeGenMethod(lambdaExpression, usedVars,this.resultSet, mvLambdaBody, indexOfFirstParamLam, isInterface,
-					classFiles,this.path, lamCounter, sf);
+					classFiles,this.path, lamCounter, sf, genericsAndBoundsMethod,
+					genericsAndBounds);
 	
 			mvLambdaBody.visitMaxs(0, 0);
 			mvLambdaBody.visitEnd();
@@ -670,7 +678,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		}
 		methSig.visitReturnType().visitTypeVariable("R");
 		// ")"+lam.getReturn.getBounds
-		Signature sig = new Signature(lambdaExpression, numberOfParams);
+		Signature sig = new Signature(numberOfParams);
 		String name = "Fun" + numberOfParams + "$$";
 		classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
 				Type.getInternalName(Object.class), null);
@@ -744,6 +752,13 @@ public class BytecodeGenMethod implements StatementVisitor {
 		statement = new IfStatement(ifStmt.expr, ifStmt.then_block, ifStmt.else_block);
 		isBinaryExp = statement.isExprBinary();
 		ifStmt.expr.accept(this);
+		if(!(ifStmt.expr instanceof BinaryExpr)) {
+			doUnboxing(getResolvedType(ifStmt.expr.getType()));
+			Label branchLabel = new Label();
+			Label endLabel = new Label();
+			mv.visitJumpInsn(Opcodes.IFEQ, branchLabel);
+			statement.genBCForRelOp(mv, branchLabel, endLabel, this);
+		}
 		statement = null;
 	}
 
@@ -751,105 +766,112 @@ public class BytecodeGenMethod implements StatementVisitor {
 	public void visit(InstanceOf instanceOf) {
 
 	}
-
+	
 	@Override
 	public void visit(MethodCall methodCall) {
 		boolean parentBinary = isParentBinary;
 		System.out.println("In MethodCall = " + methodCall.name);
 		String receiverName = getResolvedType(methodCall.receiver.getType());
 		System.out.println("Methods of " + receiverName + " ");
+		java.lang.reflect.Method methodRefl = null;
+		String clazz = receiverName.replace("/", ".");
+		
+		String mDesc = "";
+		
+		MethodCallHelper helper = new MethodCallHelper(methodCall, sf, resultSet, path);
+		
+		boolean toCreate = false;
+
 		ClassLoader cLoader = ClassLoader.getSystemClassLoader();
 		// This will be used if the class is not standard class (not in API)
 		ClassLoader cLoader2;
-		java.lang.reflect.Method methodRefl = null;
-		String clazz = receiverName.replace("/", ".");
+
 		String methCallType = resultSet.resolveType(methodCall.getType()).resolvedType.acceptTV(new TypeToDescriptor());
 		String[] typesOfParams = getTypes(methodCall.arglist.getArguments());
 		try {
-			if(receiverName.contains("<")) {
+			if (receiverName.contains("<")) {
 				clazz = clazz.substring(0, receiverName.indexOf("<"));
 			}
-			
+
 			java.lang.reflect.Method[] methods = cLoader.loadClass(clazz).getMethods();
 			System.out.println("Methods of " + receiverName + " ");
-			methodRefl = getMethod(methodCall.name,methodCall.arglist.getArguments().size(),methods);
-			
-		} catch (Exception e) {
-//			try {
-//				cLoader2 = new URLClassLoader(new URL[] {new URL("file://"+path)});
-//				java.lang.reflect.Method[] methods = cLoader2.loadClass(clazz).getMethods();
-//				System.out.println("Methods of " + receiverName + " ");
-//				for(int i = 0; i<methods.length; i++) {
-//					System.out.println(methods[i]);
-//				}
-//				methodRefl = getMethod(methodCall.name,methodCall.arglist.getArguments().size(),methCallType, typesOfParams,methods);
-//			}catch (Exception e2) {
-				String superClass = "";
-				// TODO: Test SubMatrix.jav
-				while(true) {
-					for(ClassOrInterface cl : sf.getClasses()) {
-						if(receiverName.equals(cl.getClassName().toString())) {
-							superClass = cl.getSuperClass().getName().toString();
+			methodRefl = getMethod(methodCall.name, methodCall.arglist.getArguments().size(), methods);
+
+			} catch (Exception e) {
+					String superClass = "";
+					while(true) {
+						try {
+							superClass = helper.getSuperClass(receiverName);
+							
+							try {
+								String superClazz = superClass.replace("/", ".");
+								if(superClass.contains("<")) {
+									superClazz = superClazz.substring(0, superClass.indexOf("<"));
+								}
+								java.lang.reflect.Method[] methods = cLoader.loadClass(superClazz).getMethods();
+								System.out.println("Methods of " + superClass + " ");
+								
+								for(java.lang.reflect.Method m : methods) {
+									if(methodCall.name.equals(m.getName())) {
+										methodRefl = m;
+										break;
+									}
+								}
+								
+								break;
+							} catch (Exception e3) {
+								receiverName = superClass;
+								continue;
+							}
+						} catch (NotInCurrentPackageException e2) {
 							break;
 						}
-					}
-					System.out.println(superClass);
-					
-					if(superClass.equals(""))
-						break;
-					
-					try {
-						String superClazz = superClass.replace("/", ".");
-						if(superClass.contains("<")) {
-							superClazz = superClazz.substring(0, superClass.indexOf("<"));
-						}
-						java.lang.reflect.Method[] methods = cLoader.loadClass(superClazz).getMethods();
-						System.out.println("Methods of " + superClass + " ");
 						
-						for(java.lang.reflect.Method m : methods) {
-							if(methodCall.name.equals(m.getName())) {
-								methodRefl = m;
-								break;
-							}
-						}
-						
-						break;
-					} catch (Exception e3) {
-						receiverName = superClass;
-						continue;
 					}
-				}
-//			}
+				
+			}
 			
-		}
-		
-		if(methodRefl == null) {
-			try {
-				cLoader2 = new URLClassLoader(new URL[] {new URL("file://"+path)});
-				java.lang.reflect.Method[] methods = cLoader2.loadClass(clazz).getMethods();
-				System.out.println("Methods of " + receiverName + " ");
-				for(int i = 0; i<methods.length; i++) {
-					System.out.println(methods[i]);
+			if(methodRefl == null) {
+				toCreate = !receiverName.equals(className) && helper.isInCurrPkg(clazz);
+				if(toCreate) {
+					try {
+						mDesc = helper.getDesc(clazz);
+					} catch (NotInCurrentPackageException | NotFoundException e) {
+						e.printStackTrace();
+					}
+				} else if(!helper.isInCurrPkg(clazz)){
+					if(clazz.contains("$$")) {
+						mDesc = helper.generateBCForFunN();
+					}else {
+						try {
+							cLoader2 = new URLClassLoader(new URL[] {new URL("file://"+path)});
+							java.lang.reflect.Method[] methods = cLoader2.loadClass(clazz).getMethods();
+							System.out.println("Methods of " + receiverName + " ");
+							for(int i = 0; i<methods.length; i++) {
+								System.out.println(methods[i]);
+							}
+							methodRefl = getMethod(methodCall.name,methodCall.arglist.getArguments().size(),methCallType, typesOfParams,methods);
+						}
+						catch (Exception e2) {
+							e2.printStackTrace();
+						}
+					}
 				}
-				methodRefl = getMethod(methodCall.name,methodCall.arglist.getArguments().size(),methCallType, typesOfParams,methods);
+				
 			}
-			catch (Exception e2) {
-				System.out.println("");
-				//do nothing
-			}
-		}
+		
 		methodCall.receiver.accept(this);
 		
 		System.out.println("Methodcall type : " + resultSet.resolveType(methodCall.getType()).resolvedType.acceptTV(new TypeToDescriptor()));
-		String mDesc = "";
 		List<Boolean> argListMethCall = new LinkedList<>();
 		String receiverRefl="";
-		if(methodRefl == null) {
+		if(methodRefl == null && receiverName.equals(className)) {
 			MethodFromMethodCall method = new MethodFromMethodCall(methodCall.arglist, methodCall.getType(),
 					receiverName, genericsAndBoundsMethod, genericsAndBounds);
 			mDesc = method.accept(new DescriptorToString(resultSet));
 			methodCall.arglist.accept(this);
-		} else {
+		} else if(methodRefl != null) {
+			System.out.println(methodCall.name + " -> Refl != null");
 			receiverRefl = methodRefl.getAnnotatedReceiverType().getType().toString();
 			for(Parameter p:methodRefl.getParameters()) {
 				System.out.println(p.getName() + " und is Primitive = " + p.getType().isPrimitive());
@@ -863,9 +885,11 @@ public class BytecodeGenMethod implements StatementVisitor {
 				al.accept(argV);
 				statement = null;
 			}
+		} else {
+			methodCall.arglist.accept(this);
 		}
 		
-		System.out.println("Methodcall Desc : " + mDesc);
+		System.out.println("Methodcall ("+ methodCall.name +") Desc : " + mDesc);
 		
 		
 //		methodCall.arglist.accept(this);
@@ -900,6 +924,19 @@ public class BytecodeGenMethod implements StatementVisitor {
 		
 	}
 	
+	private String getDescForMethInCurrPkg(String name) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	private boolean isInCurrPkg(String superClass) {
+		for(ClassOrInterface cl : sf.KlassenVektor) {
+			if(superClass.equals(cl.getClassName().toString()))
+				return true;
+		}
+		return false;
+	}
+
 	private String[] getTypes(List<Expression> arguments) {
 		String[] types = new String[arguments.size()];
 		for(int i = 0; i<arguments.size(); ++i) {
@@ -1197,6 +1234,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 
 			break;
 		case "java/lang/Boolean":
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Boolean", "booleanValue", "()Z", false);
 			break;
 		case "java/lang/Byte":
 			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Byte", "byteValue", "()B", false);
@@ -1234,10 +1272,16 @@ public class BytecodeGenMethod implements StatementVisitor {
 			visitBooleanLiteral((Boolean) value);
 			break;
 		case "java/lang/Byte":
-			visitByteLiteral(((Double) value).byteValue(), false);
+			if(value instanceof Double)
+				visitByteLiteral(((Double) value).byteValue(), false);
+			if(value instanceof Integer)
+				visitByteLiteral(((Integer) value).byteValue(), false);
 			break;
 		case "java/lang/Short":
-			visitShortLiteral(((Double) value).shortValue(), false);
+			if(value instanceof Double)
+				visitShortLiteral(((Double) value).shortValue(), false);
+			if(value instanceof Integer)
+				visitShortLiteral(((Integer) value).shortValue(), false);
 			break;
 		case "java/lang/Integer":
 			// zweite Argument isLong
@@ -1248,10 +1292,16 @@ public class BytecodeGenMethod implements StatementVisitor {
 				visitIntegerLiteral(((Integer) value).intValue(), false);
 			break;
 		case "java/lang/Long":
-			visitLongLiteral(((Integer) value).longValue(), true);
+			if(value instanceof Double)
+				visitLongLiteral(((Double) value).longValue(), true);
+			if(value instanceof Integer)
+				visitLongLiteral(((Integer) value).longValue(), true);
 			break;
 		case "java/lang/Float":
-			visitFloatLiteral(((Double) value).floatValue());
+			if(value instanceof Double)
+				visitFloatLiteral(((Double) value).floatValue());
+			if(value instanceof Integer)
+				visitFloatLiteral(((Integer) value).floatValue());
 			break;
 		case "java/lang/Double":
 			if(value instanceof Double)

src/main/java/de/dhbwstuttgart/bytecode/Exception/BytecodeGeneratorError.java

@@ -0,0 +1,19 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.Exception;
+
+/**
+ * @author fayez
+ *
+ */
+public class BytecodeGeneratorError extends RuntimeException {
+
+	/**
+	 * @param message
+	 */
+	public BytecodeGeneratorError(String message) {
+		super(message);
+	}
+	
+}

src/main/java/de/dhbwstuttgart/bytecode/Exception/NotFoundException.java

@@ -0,0 +1,25 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.Exception;
+
+/**
+ * @author fayez
+ *
+ */
+public class NotFoundException extends Exception {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * @param message
+	 */
+	public NotFoundException(String message) {
+		super(message);
+	}	
+	
+
+}

src/main/java/de/dhbwstuttgart/bytecode/Exception/NotInCurrentPackageException.java

@@ -0,0 +1,26 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.Exception;
+
+/**
+ * @author fayez
+ *
+ */
+public class NotInCurrentPackageException extends Exception {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * @param message
+	 */
+	public NotInCurrentPackageException(String message) {
+		super(message);
+	}
+	
+	
+
+}

src/main/java/de/dhbwstuttgart/bytecode/TPHExtractor.java

@@ -5,7 +5,11 @@ package de.dhbwstuttgart.bytecode;
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 import de.dhbwstuttgart.bytecode.constraint.ExtendsConstraint;
 import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
@@ -13,13 +17,18 @@ import de.dhbwstuttgart.bytecode.constraint.TPHConstraint.Relation;
 import de.dhbwstuttgart.bytecode.utilities.MethodAndTPH;
 import de.dhbwstuttgart.syntaxtree.AbstractASTWalker;
 import de.dhbwstuttgart.syntaxtree.Constructor;
+import de.dhbwstuttgart.syntaxtree.Field;
 import de.dhbwstuttgart.syntaxtree.FormalParameter;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.ParameterList;
 import de.dhbwstuttgart.syntaxtree.statement.LocalVar;
 import de.dhbwstuttgart.syntaxtree.statement.LocalVarDecl;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
+import de.dhbwstuttgart.typeinference.result.ResultPair;
 import de.dhbwstuttgart.typeinference.result.ResultSet;
 
 /**
@@ -29,14 +38,14 @@ import de.dhbwstuttgart.typeinference.result.ResultSet;
 public class TPHExtractor extends AbstractASTWalker {
 	// Alle TPHs der Felder werden iKopf der Klasse definiert
 	// alle TPHs der Klasse: (TPH, is in Method?)
-	final HashMap<TypePlaceholder, Boolean> allTPHS = new HashMap<>();
+	final HashMap<String, Boolean> allTPHS = new HashMap<>();
 	MethodAndTPH methodAndTph;
 
 	Boolean inMethod = false;
 	boolean inLocalOrParam = false;
 
 	public final ArrayList<MethodAndTPH> ListOfMethodsAndTph = new ArrayList<>();
-	final ArrayList<GenericInsertPair> allPairs = new ArrayList<>();
+	final ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> allPairs = new ArrayList<>();
 	public final ArrayList<TPHConstraint> allCons = new ArrayList<>();
 	private ResultSet resultSet;
 
@@ -58,19 +67,80 @@ public class TPHExtractor extends AbstractASTWalker {
 					methodAndTph.getLocalTphs().add(resolvedTPH.getName());
 			}
 
-			allTPHS.put(resolvedTPH, inMethod);
-			resultSet.resolveType(tph).additionalGenerics.forEach(ag -> {
-				if (ag.contains(resolvedTPH) && ag.TA1.equals(resolvedTPH) && !contains(allPairs, ag)) {
+			allTPHS.put(resolvedTPH.getName(), inMethod);
+//			final List<TPHConstraint> cons = new ArrayList<>();
+//			resultSet.resolveType(tph).additionalGenerics.forEach(ag -> {
+//				TPHConstraint con = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
+//				cons.add(con);
+//			});
+//			
+//			Map<TPHConstraint, Boolean> visitMap = new HashMap<>();
+//			for(TPHConstraint cc : cons) {
+//				visitMap.put(cc, false);
+//			}
+//			
+//			String left = resolvedTPH.getName();
+//			for (TPHConstraint cc : visitMap.keySet()) {
+//				
+//				if(visitMap.get(cc))
+//					continue;
+//				
+//				if (cc.getLeft().equals(left)) {
+//					allCons.add(cc);
+//					List<TPHConstraint> toVisit = getToVisitCons(cons,cc.getRight(), visitMap);
+//				}
+//			}
+
+			//resultSet.resolveType(tph).getAdditionalGenerics().forEach(ag -> {
+			resultSet.genIns.forEach(ag -> {
+
+//				if (ag.contains(resolvedTPH) /* && ag.TA1.equals(resolvedTPH) */ && !contains(allPairs, ag)) {
 					if (inMethod)
 						methodAndTph.getPairs().add(ag);
 					allPairs.add(ag);
-					TPHConstraint con = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
-					allCons.add(con);
-				}
+					TPHConstraint con = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName(), Relation.EXTENDS);
+					if(!containsConstraint(allCons,con))
+						allCons.add(con);
+//				}
 			});
+		} else if (resultSet.resolveType(tph).resolvedType instanceof RefType) {
+			RefType rt = (RefType) resultSet.resolveType(tph).resolvedType;
+			rt.accept(this);
 		}
 	}
 
+	private static boolean containsConstraint(ArrayList<TPHConstraint> allCons, TPHConstraint c) {
+		for(TPHConstraint con:allCons) {
+			if(c.getLeft().equals(con.getLeft()) && c.getRight().equals(c.getRight())) {
+				return true;
+			}
+		}
+		return false;
+	}
+	
+	private List<TPHConstraint> getToVisitCons(List<TPHConstraint> cons, String right, Map<TPHConstraint, Boolean> visitMap) {
+		List<TPHConstraint> res = new ArrayList<>();
+		for(TPHConstraint cc : cons) {
+			if(cc.getLeft().equals(right)) {
+				res.add(cc);
+				if(visitMap.get(cc))
+					visitMap.replace(cc, false);
+			}
+		}
+		return res;
+	}
+
+	@Override
+	public void visit(GenericRefType genericRefType) {
+		String name = genericRefType.getParsedName();
+		if (inMethod) {
+			methodAndTph.getLocalTphs().add(name);
+			if (inLocalOrParam)
+				methodAndTph.getLocalTphs().add(name);
+		}
+		allTPHS.put(name, inMethod);
+	}
+
 	private boolean contains(ArrayList<GenericInsertPair> pairs, GenericInsertPair genPair) {
 		for (int i = 0; i < pairs.size(); ++i) {
 			GenericInsertPair p = pairs.get(i);

src/main/java/de/dhbwstuttgart/bytecode/descriptor/DescriptorToString.java

@@ -1,5 +1,6 @@
 package de.dhbwstuttgart.bytecode.descriptor;
 
+import java.util.HashMap;
 import java.util.Iterator;
 
 import org.objectweb.asm.Type;
@@ -44,17 +45,28 @@ public class DescriptorToString implements DescriptorVisitor{
 			if(method.hasGen()) {
 				String fpDesc = fp.getType().acceptTV(new TypeToDescriptor());
 				if(method.getGenericsAndBoundsMethod().containsKey(fpDesc)) {
-					desc += "L"+method.getGenericsAndBoundsMethod().get(fpDesc)+ ";";
+					String bound = getBound(fpDesc, method.getGenericsAndBoundsMethod());
+					desc += "L"+bound+ ";";
 				}else if(method.getGenericsAndBounds().containsKey(fpDesc)){
-					desc += "L"+method.getGenericsAndBounds().get(fpDesc)+ ";";
+					String bound = getBound(fpDesc, method.getGenericsAndBounds());
+					desc += "L"+bound+ ";";
 				}else {
 //					desc += "L"+resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor())+ ";";
 					String resType = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
-					if(resType.subSequence(0, 4).equals("TPH ")) {
+					if(resType.contains("TPH ")/*resType.subSequence(0, 4).equals("TPH ")*/) {
 						// Bound ist immer Object
 						desc += "L"+Type.getInternalName(Object.class)+ ";";
 					} else {
-						desc += "L"+resType+ ";";
+						// TODO::
+						if(method.getGenericsAndBounds().containsKey(resType)) {
+							String bound = getBound(resType, method.getGenericsAndBounds());
+							desc += "L"+bound+ ";";
+						}else if(method.getGenericsAndBoundsMethod().containsKey(resType)) {
+							String bound = getBound(resType, method.getGenericsAndBoundsMethod());
+							desc += "L"+bound+ ";";
+						} else {
+							desc += "L"+resType+ ";";
+						}
 					}
 				}
 			}
@@ -78,11 +90,21 @@ public class DescriptorToString implements DescriptorVisitor{
 					desc += ")L"+method.getGenericsAndBounds().get(ret)+ ";";
 				}else {
 					String resType = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
-					if(resType.subSequence(0, 4).equals("TPH ")) {
+					if(resType.contains("TPH ")/*resType.subSequence(0, 4).equals("TPH ")*/) {
 //						desc += ")" + "L"+method.getGenericsAndBoundsMethod().get(resType.substring(4)+"$")+ ";";
 						desc += ")" + "L"+Type.getInternalName(Object.class)+ ";";
 					} else {
-						desc += ")" + "L"+resType+ ";";
+						// TODO::
+						if(method.getGenericsAndBounds().containsKey(resType)) {
+							String bound = getBound(resType, method.getGenericsAndBounds());
+							desc += ")L"+bound+ ";";
+						}else if(method.getGenericsAndBoundsMethod().containsKey(resType)) {
+							String bound = getBound(resType, method.getGenericsAndBoundsMethod());
+							desc += ")L"+bound+ ";";
+						} else {
+							desc += ")L"+resType+ ";";
+						}
+//						desc += ")" + "L"+resType+ ";";
 					}
 				}
 			}else {
@@ -93,6 +115,15 @@ public class DescriptorToString implements DescriptorVisitor{
 		return desc;
 	}
 
+	private String getBound(String fpDesc, HashMap<String, String> genericsAndBounds) {
+		String start = genericsAndBounds.get(fpDesc);
+		while(genericsAndBounds.containsKey(start)) {
+			start = genericsAndBounds.get(start);
+		}
+		
+		return start;
+	}
+
 	@Override
 	public String visit(NormalConstructor constructor) {
 		String desc = "(";
@@ -131,7 +162,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		while(itr.hasNext()) {
 			FormalParameter fp = itr.next();
 			String d = resultSet.resolveType(fp.getType()).resolvedType.acceptTV(new TypeToDescriptor());
-			if(d.substring(0, 4).equals("TPH ") ||d.contains("<")) {
+			if(d.contains("TPH ") ||d.contains("<")) {
 				desc += "L"+Type.getInternalName(Object.class)+ ";";
 			}else {
 				desc = desc + "L"+ d + ";";
@@ -140,7 +171,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		
 		String retType = resultSet.resolveType(lambdaExpression.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
 		
-		if(retType.substring(0, 4).equals("TPH ")|| retType.contains("<")){
+		if(retType.contains("TPH ")|| retType.contains("<")){
 			desc += ")L"+Type.getInternalName(Object.class)+ ";";
 		}else {
 			desc = desc + ")"+"L"+retType+";";
@@ -156,7 +187,7 @@ public class DescriptorToString implements DescriptorVisitor{
 			RefTypeOrTPHOrWildcardOrGeneric rt = itr.next();
 			String d = resultSet.resolveType(rt).resolvedType.acceptTV(new TypeToDescriptor());
 			
-			if(d.substring(0, 4).equals("TPH ") ||d.contains("<")) {
+			if(d.contains("TPH ") ||d.contains("<")) {
 				desc += "L"+Type.getInternalName(Object.class)+ ";";
 			}else {
 				desc += "L"+ d + ";";
@@ -165,7 +196,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		}
 		String retType = resultSet.resolveType(samMethod.getReturnType()).resolvedType.acceptTV(new TypeToDescriptor());
 		
-		if(retType.substring(0, 4).equals("TPH ")|| retType.contains("<")){
+		if(retType.contains("TPH ")|| retType.contains("<")){
 			desc += ")L"+Type.getInternalName(Object.class)+ ";";
 		}else {
 			desc = desc + ")"+"L"+retType+";";
@@ -179,7 +210,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		for(Expression e : methodFromMethodCall.getArgList().getArguments()) {
 			String d = resultSet.resolveType(e.getType()).resolvedType.acceptTV(new TypeToDescriptor());
 			
-			if(d.substring(0, 4).equals("TPH ") ||d.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")) {
+			if(d.contains("TPH ") ||d.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")) {
 				desc += "L"+Type.getInternalName(Object.class)+ ";";
 			}else {
 				if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(d)) {
@@ -196,7 +227,7 @@ public class DescriptorToString implements DescriptorVisitor{
 		System.out.println("DescriptorToString retType = " + retType);
 		if(retType.equals("void")) {
 			desc += ")V";
-		}else if(retType.substring(0, 4).equals("TPH ")|| retType.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")){
+		}else if(retType.contains("TPH ")|| retType.contains("<") || methodFromMethodCall.getReceiverName().contains("$$")){
 			desc += ")L"+Type.getInternalName(Object.class)+ ";";
 		}else {
 			if(methodFromMethodCall.getGenericsAndBoundsMethod().containsKey(retType)) {

src/main/java/de/dhbwstuttgart/bytecode/signature/Signature.java

@@ -41,11 +41,11 @@ public class Signature {
 	private ResultSet resultSet;
 	private ArrayList<GenericInsertPair> commonPairs;
 	private HashMap<TPHConstraint,HashSet<String>> methodConstraints;
-	private ArrayList<TypePlaceholder> tphsClass;
+	private ArrayList<String> tphsClass;
 	private ArrayList<TPHConstraint> consClass;
 	
 	public Signature(ClassOrInterface classOrInterface, HashMap<String, String> genericsAndBounds,
-			ArrayList<GenericInsertPair> commonPairs, ArrayList<TypePlaceholder> tphsClass, ArrayList<TPHConstraint> consClass) {
+			ArrayList<GenericInsertPair> commonPairs, ArrayList<String> tphsClass, ArrayList<TPHConstraint> consClass) {
 		this.classOrInterface = classOrInterface;
 		this.genericsAndBounds = genericsAndBounds;
 		this.commonPairs = commonPairs;
@@ -80,12 +80,12 @@ public class Signature {
 		createSignatureForConsOrMethod(this.method,false);
 	}
 	
-	public Signature(LambdaExpression lambdaExpression,int numberOfParams) {
+	public Signature(int numberOfParams) {
 		sw = new SignatureWriter();
-		createSignatureForFunN(lambdaExpression, numberOfParams);
+		createSignatureForFunN(numberOfParams);
 	}
 
-	private void createSignatureForFunN(LambdaExpression lambdaExpression, int numberOfParams) {
+	private void createSignatureForFunN(int numberOfParams) {
 		
 //		sw.visitClassBound().visitEnd();
 		for(int i = 0;i<numberOfParams;i++) {
@@ -235,8 +235,9 @@ public class Signature {
 			
 			RefTypeOrTPHOrWildcardOrGeneric resolved = resType.resolvedType;
 			if(resolved instanceof TypePlaceholder) {
-				resType.additionalGenerics.forEach(ag ->{
-					TPHConstraint constr = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
+				//resType.getAdditionalGenerics().forEach(ag ->{
+				resultSet.genIns.forEach(ag ->{
+					TPHConstraint constr = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName(), Relation.EXTENDS);
 					if(!contains(res,constr)) {
 						res.add(constr);
 					}
@@ -246,8 +247,9 @@ public class Signature {
 				WildcardType resWC = (WildcardType) resolved;
 				ResolvedType resType2 = resultSet.resolveType(resWC.getInnerType());
 				if(resType2.resolvedType instanceof TypePlaceholder) {
-					resType2.additionalGenerics.forEach(ag ->{
-						TPHConstraint constr = new ExtendsConstraint(ag.TA1.getName(), ag.TA2.getName(), Relation.EXTENDS);
+					//resType2.getAdditionalGenerics().forEach(ag ->{
+					resultSet.genIns.forEach(ag ->{
+						TPHConstraint constr = new ExtendsConstraint(ag.getLeft().getName(), ag.getRight().getName(), Relation.EXTENDS);
 						if(!contains(res,constr)) {
 							res.add(constr);
 						}
@@ -290,7 +292,8 @@ public class Signature {
 			break;
 		case "GRT":
 			GenericRefType g = (GenericRefType) t;
-			sv.visitTypeVariable(g.acceptTV(new TypeToSignature()).substring(1));
+//			sv.visitTypeVariable(g.acceptTV(new TypeToSignature()).substring(1));
+			sv.visitTypeVariable(g.acceptTV(new TypeToSignature()));
 			break;
 		case "TPH":
 			RefTypeOrTPHOrWildcardOrGeneric r = resultSet.resolveType(t).resolvedType;
@@ -301,16 +304,27 @@ public class Signature {
 			// das braucht man nicht es reicht: sv.visitTypeVariable(r.acceptTV(new TypeToSignature())
 			// 
 			String sig2 = r.acceptTV(new TypeToSignature());
-			String eqTPH = getEqualTPH(methodConstraints, sig2.substring(1, sig2.length()-1))+"$";
-			if(!(r instanceof TypePlaceholder)) {
+			if(r instanceof GenericRefType) {
+				sv.visitTypeVariable(sig2);
+			}else if(!(r instanceof TypePlaceholder)) {
 				if(sig2.contains("$$")) {
 					System.out.println(" Signature FUN$$: "+r);
 					sv.visitInterface().visitClassType(sig2.substring(1, sig2.length()));
 				} else {
-					sv.visitClassType(sig2.substring(1, sig2.length()));
+					// Kann zwischen GenericRefType und RefType nicht unterscheiden
+					// Deswegen wird immer geprüft, ob der Name in Generic Maps liegt
+					String n = sig2.substring(1, sig2.length()-1);
+//					if(genericsAndBoundsMethod.containsKey(n) || genericsAndBounds.containsKey(n)) {
+//						sv.visitTypeVariable(n);
+//					} else {
+						sv.visitClassType(n);
+						sv.visitEnd();
+//					}
+//					sv.visitClassType(n);
 				}
 				
 			} else {
+				String eqTPH = getEqualTPH(methodConstraints, sig2.substring(1, sig2.length()-1))+"$";
 				System.out.println(r.getClass()+" Signature TPH: "+r.acceptTV(new TypeToSignature()));
 				sv.visitTypeVariable(eqTPH);
 			}
@@ -456,10 +470,15 @@ public class Signature {
 			String boundDesc = b.acceptTV(new TypeToDescriptor());
 //			System.out.println("GetBounds: " + boundDesc);
 			// Ensure that <...> extends java.lang.Object OR ...
-			sw.visitClassBound().visitClassType(boundDesc);
+			if(b instanceof GenericRefType) {
+				sw.visitClassBound().visitTypeVariable(boundDesc);
+			} else {
+				sw.visitClassBound().visitClassType(boundDesc);
+				sw.visitClassBound().visitEnd();
+			}
 			genAndBounds.put(g.getName(), boundDesc);
 		}
-		sw.visitClassBound().visitEnd();
+//		sw.visitClassBound().visitEnd();
 	}
 	
 	public String toString() {

src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodAndTPH.java

@@ -2,14 +2,17 @@ package de.dhbwstuttgart.bytecode.utilities;
 
 import java.util.ArrayList;
 
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
+import de.dhbwstuttgart.typeinference.result.ResultPair;
 
 public class MethodAndTPH {
 	
 	private String name;
 	private final ArrayList<String> tphs = new ArrayList<>();
-	private final ArrayList<GenericInsertPair> pairs = new ArrayList<>();
+	//private final ArrayList<GenericInsertPair> pairs = new ArrayList<>();
+	private final ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> pairs = new ArrayList<>();
 	// tphs of local variables and parameters
 	private final ArrayList<String> localTphs = new ArrayList<>();
 
@@ -21,7 +24,10 @@ public class MethodAndTPH {
 		return tphs;
 	}
 	
-	public ArrayList<GenericInsertPair> getPairs(){
+//	public ArrayList<GenericInsertPair> getPairs(){
+//		return pairs;
+//	}
+	public ArrayList<ResultPair<TypePlaceholder, TypePlaceholder>> getPairs(){
 		return pairs;
 	}
 	

src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodCallHelper.java

@@ -0,0 +1,255 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.utilities;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.Type;
+import org.objectweb.asm.signature.SignatureVisitor;
+import org.objectweb.asm.signature.SignatureWriter;
+
+import de.dhbwstuttgart.bytecode.Exception.NotInCurrentPackageException;
+import de.dhbwstuttgart.bytecode.descriptor.DescriptorToString;
+import de.dhbwstuttgart.bytecode.descriptor.TypeToDescriptor;
+import de.dhbwstuttgart.bytecode.signature.Signature;
+import de.dhbwstuttgart.bytecode.signature.TypeToSignature;
+import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
+import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.SourceFile;
+import de.dhbwstuttgart.syntaxtree.statement.Expression;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+import javassist.NotFoundException;
+
+/**
+ * @author fayez
+ *
+ */
+public class MethodCallHelper {
+	private MethodCall methCall;
+	private SourceFile sourceFile;
+	private ResultSet resultSet;
+	private String path;
+
+	/**
+	 * @param methCall
+	 * @param sourceFile
+	 * @param resultSet
+	 * @param path TODO
+	 */
+	public MethodCallHelper(MethodCall methCall, SourceFile sourceFile, ResultSet resultSet, String path) {
+		this.methCall = methCall;
+		this.sourceFile = sourceFile;
+		this.resultSet = resultSet;
+		this.path = path;
+	}
+
+	public String getResolvedType(RefTypeOrTPHOrWildcardOrGeneric type) {
+		return resultSet.resolveType(type).resolvedType.acceptTV(new TypeToDescriptor());
+	}
+
+	public boolean isInCurrPkg(String className) {
+		for (ClassOrInterface cl : sourceFile.KlassenVektor) {
+			if (className.equals(cl.getClassName().toString()))
+				return true;
+		}
+		return false;
+	}
+
+	public String getSuperClass(String className) throws NotInCurrentPackageException {
+		
+		for (ClassOrInterface cl : sourceFile.getClasses()) {
+			if (className.equals(cl.getClassName().toString())) {
+				return cl.getSuperClass().getName().toString();
+			}
+		}
+		throw new NotInCurrentPackageException("Class " + className + " is not in the current package.");
+	}
+
+	public ClassOrInterface getClassFromCurrPkg(String className) throws NotInCurrentPackageException {
+		for (ClassOrInterface cl : sourceFile.KlassenVektor) {
+			if (className.equals(cl.getClassName().toString()))
+				return cl;
+		}
+		throw new NotInCurrentPackageException("Class of " + className + " is not in the current package.");
+	}
+
+	public String getDesc(String className) throws NotInCurrentPackageException, NotFoundException {
+		String name = methCall.name;
+		ClassOrInterface clazz = getClassFromCurrPkg(className);
+
+		Map<String, String> genAndBoundsClass = getGenericsAndBounds(clazz.getGenerics());
+		modifyGenAndBounds(genAndBoundsClass);
+		for (Method m : clazz.getMethods()) {
+			if (name.equals(m.getName())) {
+				Map<String, String> genAndBoundsMethod = getGenericsAndBoundsMethod(m.getGenerics());
+				modifyGenAndBounds(genAndBoundsMethod);
+				boolean hasGen = hasGen(m, genAndBoundsClass);
+				NormalMethod nm = new NormalMethod(m, (HashMap<String, String>) genAndBoundsClass,
+						(HashMap<String, String>) genAndBoundsMethod, hasGen);
+				return nm.accept(new DescriptorToString(resultSet));
+			}
+		}
+
+		throw new NotFoundException("Method " + name + " is not found");
+	}
+
+	private boolean hasGen(Method m, Map<String, String> genericsAndBounds) {
+		String retType = resultSet.resolveType(m.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
+		/*Prüfe, ob die Rückgabe-Type der Methode eine Type-Variable ist*/
+		boolean hasGenInParameterList = genericsAndBounds.containsKey(retType) || retType.contains("TPH ") || retType.contains("<");
+
+		Map<String,RefTypeOrTPHOrWildcardOrGeneric> methodParamsAndTypes = new HashMap<>();
+		Iterator<FormalParameter> itr = m.getParameterList().iterator();
+		while(itr.hasNext()) {
+			FormalParameter fp = itr.next();
+			methodParamsAndTypes.put(fp.getName(), resultSet.resolveType(fp.getType()).resolvedType);
+		}
+		/*Wenn die Rückgabe-Type eine Typ-variable ist, erzeuge direkt die Signature, wenn nicht,
+		 * prüfe, ob einer der Parameter Typ-Variable als Typ hat*/
+		if(!hasGenInParameterList) {
+			for(String paramName : methodParamsAndTypes.keySet()) {
+				String typeOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToDescriptor());
+				String sigOfParam = methodParamsAndTypes.get(paramName).acceptTV(new TypeToSignature());
+				if(genericsAndBounds.containsKey(typeOfParam)||typeOfParam.contains("TPH ")||sigOfParam.contains("<")) {
+					hasGenInParameterList = true;
+					break;
+				}
+			}
+		}
+		return m.getGenerics().iterator().hasNext() || hasGenInParameterList;
+	}
+
+	private Map<String, String> getGenericsAndBoundsMethod(Iterable<? extends GenericTypeVar> generics) {
+		Map<String, String> genAndBounds = new HashMap<>();
+		Iterator<? extends GenericTypeVar> itr = generics.iterator();
+		while (itr.hasNext()) {
+			GenericTypeVar gtv = itr.next();
+			getBoundsOfTypeVar(gtv, genAndBounds);
+		}
+		return genAndBounds;
+	}
+
+	private void modifyGenAndBounds(Map<String, String> genAndBoundsClass) {
+		List<String> visited = new ArrayList<>(genAndBoundsClass.size());
+		Map<String, String> toReplace = new HashMap<>();
+		for (String tv : genAndBoundsClass.keySet()) {
+
+			if (visited.contains(tv))
+				continue;
+
+			List<String> types = new LinkedList<>();
+			String bound = genAndBoundsClass.get(tv);
+			types.add(tv);
+			visited.add(tv);
+			boolean doReplace = false;
+			while (genAndBoundsClass.keySet().contains(bound)) {
+				doReplace = true;
+				types.add(bound);
+				visited.add(bound);
+				bound = genAndBoundsClass.get(bound);
+			}
+
+			if (doReplace) {
+				for (String tt : types) {
+					toReplace.put(tt, bound);
+				}
+			}
+		}
+
+		for (String key : toReplace.keySet()) {
+			genAndBoundsClass.replace(key, toReplace.get(key));
+		}
+
+	}
+
+	private Map<String, String> getGenericsAndBounds(GenericDeclarationList generics) {
+		Map<String, String> genAndBounds = new HashMap<>();
+		Iterator<GenericTypeVar> itr = generics.iterator();
+		while (itr.hasNext()) {
+			GenericTypeVar gtv = itr.next();
+			getBoundsOfTypeVar(gtv, genAndBounds);
+		}
+		return genAndBounds;
+	}
+
+	private void getBoundsOfTypeVar(GenericTypeVar g, Map<String, String> genAndBounds) {
+
+		Iterator<? extends RefTypeOrTPHOrWildcardOrGeneric> bItr = g.getBounds().iterator();
+		while (bItr.hasNext()) {
+			RefTypeOrTPHOrWildcardOrGeneric b = bItr.next();
+			String boundDesc = b.acceptTV(new TypeToDescriptor());
+			genAndBounds.put(g.getName(), boundDesc);
+		}
+	}
+
+	public String generateBCForFunN() {
+		ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
+
+		SignatureWriter methSig = new SignatureWriter();
+
+		int numberOfParams = 0;
+		SignatureVisitor paramVisitor = methSig.visitParameterType();
+		Iterator<Expression> itr1 = methCall.arglist.getArguments().iterator();
+		String methDesc = "(";
+		while(itr1.hasNext()) {
+			numberOfParams++;
+			// getBounds
+			paramVisitor.visitTypeVariable("T" + numberOfParams);
+			methDesc += "L" + Type.getInternalName(Object.class) + ";";
+			itr1.next();
+		}
+		methDesc += ")L" + Type.getInternalName(Object.class) + ";";
+		
+		methSig.visitReturnType().visitTypeVariable("R");
+		// ")"+lam.getReturn.getBounds
+		Signature sig = new Signature(numberOfParams);
+		String name = "Fun" + numberOfParams + "$$";
+		classWriter.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC+Opcodes.ACC_INTERFACE + Opcodes.ACC_ABSTRACT, name, sig.toString(),
+				Type.getInternalName(Object.class), null);
+		MethodVisitor mvApply = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_ABSTRACT, "apply", methDesc,
+				methSig.toString(), null);
+		mvApply.visitEnd();
+		writeClassFile(classWriter.toByteArray(), name);
+		return methDesc;
+	}
+
+	private void writeClassFile(byte[] bytecode, String name) {
+		FileOutputStream output;
+		try {
+			System.out.println("generating " + name + ".class file...");
+			output = new FileOutputStream(
+					new File(path + name + ".class"));
+			output.write(bytecode);
+			output.close();
+			System.out.println(name + ".class file generated");
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+
+	}
+
+}

src/main/java/de/dhbwstuttgart/bytecode/utilities/MethodFromMethodCall.java

@@ -23,6 +23,7 @@ public class MethodFromMethodCall {
 		this.genericsAndBounds = genericsAndBounds;
 	}
 	
+	
 	public ArgumentList getArgList() {
 		return argList;
 	}

src/main/java/de/dhbwstuttgart/bytecode/utilities/Simplify.java

@@ -19,7 +19,7 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 public class Simplify {
 
 	public static HashMap<TPHConstraint, HashSet<String>> simplifyConstraints(String name, TPHExtractor tphExtractor,
-			ArrayList<TypePlaceholder> tphsClass) {
+			ArrayList<String> tphsClass) {
 		// 1. check if there are any simple cycles like L<R and R<L:
 		// a) yes => set L=R and:
 		// * remove both constraints
@@ -38,8 +38,10 @@ public class Simplify {
 		ArrayList<TPHConstraint> allCons = new ArrayList<>();
 		
 		for(TPHConstraint c : tphExtractor.allCons) {
-			TPHConstraint nc = new TPHConstraint(c.getLeft(), c.getRight(), c.getRel());
-			allCons.add(nc);
+			if(!containsConstraint(allCons,c)) {
+				TPHConstraint nc = new TPHConstraint(c.getLeft(), c.getRight(), c.getRel());
+				allCons.add(nc);
+			}
 		}
 		ArrayList<TPHConstraint> consToRemove = new ArrayList<>();
 
@@ -382,7 +384,7 @@ public class Simplify {
 
 			if (!containTPH(methodTphs, superTphRes)) {
 				HashSet<String> equals = getEqualsTphsFromEqualCons(eqCons, superTphRes);
-				if (classTPHSContainsTPH(tphsClass, superTphRes)) {
+				if (tphsClass.contains(superTphRes)/*classTPHSContainsTPH(tphsClass, superTphRes)*/) {
 					result.put(new ExtendsConstraint(subTphRes, superTphRes, Relation.EXTENDS), equals);
 				} else {
 					result.put(new ExtendsConstraint(subTphRes, Type.getInternalName(Object.class), Relation.EXTENDS),
@@ -450,6 +452,15 @@ public class Simplify {
 		return result;
 	}
 
+	private static boolean containsConstraint(ArrayList<TPHConstraint> allCons, TPHConstraint c) {
+		for(TPHConstraint con:allCons) {
+			if(c.getLeft().equals(con.getLeft()) && c.getRight().equals(c.getRight())) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	private static void updateEqualCons(Map<String, List<String>> replRes, ArrayList<TPHConstraint> eqCons) {
 		List<String> oldNames = replRes.values().iterator().next();
 		String newName = replRes.keySet().iterator().next();
@@ -463,7 +474,7 @@ public class Simplify {
 	}
 
 	public static HashMap<TPHConstraint, HashSet<String>> simplifyConstraintsClass(TPHExtractor tphExtractor,
-			ArrayList<TypePlaceholder> tphsClass) {
+			ArrayList<String> tphsClass) {
 		// all constraints that will be simplified
 		ArrayList<TPHConstraint> allCons = tphExtractor.allCons;
 		ArrayList<TPHConstraint> consToRemove = new ArrayList<>();
@@ -627,7 +638,9 @@ public class Simplify {
 			if (isTPHInConstraint(result, sub))
 				continue;
 
-			if (!classTPHSContainsTPH(tphsClass, sub))
+//			if (!classTPHSContainsTPH(tphsClass, sub))
+//				continue;
+			if (!tphsClass.contains(sub))
 				continue;
 
 			if (numOfVisitedPairs >= size)
@@ -656,7 +669,7 @@ public class Simplify {
 			// add X at the beginning of the list.
 			while (subAndSuper.containsValue(subTphRes)) {
 				for (String tph : subAndSuper.keySet()) {
-					if (classTPHSContainsTPH(tphsClass, tph) && subAndSuper.get(tph).equals(subTphRes)) {
+					if (/*classTPHSContainsTPH(tphsClass, tph)*/tphsClass.contains(tph) && subAndSuper.get(tph).equals(subTphRes)) {
 						subTphRes = tph;
 						break;
 					}

src/main/java/de/dhbwstuttgart/bytecode/utilities/SimplifyResult.java

@@ -0,0 +1,42 @@
+/**
+ * 
+ */
+package de.dhbwstuttgart.bytecode.utilities;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+
+import de.dhbwstuttgart.bytecode.constraint.TPHConstraint;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+
+/**
+ * @author fayez
+ *
+ */
+public class SimplifyResult {
+	private final ArrayList<TPHConstraint> classConstraints;
+	private final ArrayList<String> tphsClass;
+	private final HashMap<String, HashMap<TPHConstraint, HashSet<String>>> methodsConstraints;
+	
+	public SimplifyResult(ArrayList<TPHConstraint> classConstraints, ArrayList<String> tphsClass,
+			HashMap<String, HashMap<TPHConstraint, HashSet<String>>> methodsConstraints) {
+		super();
+		this.classConstraints = classConstraints;
+		this.tphsClass = tphsClass;
+		this.methodsConstraints = methodsConstraints;
+	}
+
+	public ArrayList<TPHConstraint> getClassConstraints() {
+		return classConstraints;
+	}
+
+	public HashMap<String, HashMap<TPHConstraint, HashSet<String>>> getMethodsConstraints() {
+		return methodsConstraints;
+	}
+
+	public ArrayList<String> getTphsClass() {
+		return tphsClass;
+	}
+	
+}

src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java

@@ -3,6 +3,8 @@ package de.dhbwstuttgart.core;
 
 
 import de.dhbwstuttgart.bytecode.BytecodeGen;
+import de.dhbwstuttgart.bytecode.Exception.BytecodeGeneratorError;
+import de.dhbwstuttgart.bytecode.utilities.SimplifyResult;
 import de.dhbwstuttgart.environment.CompilationEnvironment;
 import de.dhbwstuttgart.parser.JavaTXParser;
 import de.dhbwstuttgart.parser.NullToken;
@@ -37,6 +39,7 @@ import de.dhbwstuttgart.typeinference.unify.TypeUnifyTask;
 import de.dhbwstuttgart.typeinference.unify.UnifyResultListener;
 import de.dhbwstuttgart.typeinference.unify.UnifyResultListenerImpl;
 import de.dhbwstuttgart.typeinference.unify.UnifyResultModel;
+import de.dhbwstuttgart.typeinference.unify.UnifyTaskModel;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -50,15 +53,24 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import org.antlr.v4.parse.ANTLRParser.throwsSpec_return;
+import org.apache.commons.io.output.NullOutputStream;
 //import org.apache.commons.io.output.NullOutputStream;
 
 public class JavaTXCompiler {
 
     final CompilationEnvironment environment;
-    Boolean resultmodel = false;
+    Boolean resultmodel = true;
     public final Map<File, SourceFile> sourceFiles = new HashMap<>();
     Boolean log = true; //gibt an ob ein Log-File nach System.getProperty("user.dir")+"src/test/java/logFiles" geschrieben werden soll?
-
+    public volatile UnifyTaskModel usedTasks = new UnifyTaskModel();
+    
+    /**
+     * Äußerste Liste der Source-Files.
+     * Danach Liste der Klassen in Source File.
+     * Danach Map Klassenname 
+     */
+    private List<List<HashMap<String, SimplifyResult>>> simplifyResultsSF = new ArrayList<>();
+    
     public JavaTXCompiler(File sourceFile) throws IOException, ClassNotFoundException {
         this(Arrays.asList(sourceFile));
     }
@@ -407,7 +419,7 @@ public class JavaTXCompiler {
 				}
 				return ret;
 			}).collect(Collectors.toCollection(ArrayList::new));
-			unify.unifyAsync(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm);
+			unify.unifyAsync(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm, usedTasks);
         }
     	catch (IOException e) { 
         	System.err.println("kein LogFile");
@@ -428,7 +440,7 @@ public class JavaTXCompiler {
         Set<Set<UnifyPair>> results = new HashSet<>();
         try {
 			Writer logFile = //new OutputStreamWriter(new NullOutputStream());
-				new FileWriter(new File(System.getProperty("user.dir")+"/src/test/java/logFiles/"+"log_"+sourceFiles.keySet().iterator().next().getName()));	
+				new FileWriter(new File(System.getProperty("user.dir")+"/src/test/resources/logFiles/"+"log_"+sourceFiles.keySet().iterator().next().getName()));	
 			IFiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses,logFile);
 			System.out.println(finiteClosure);
 			ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(cons);
@@ -547,7 +559,7 @@ public class JavaTXCompiler {
 				UnifyResultModel urm = new UnifyResultModel(cons, finiteClosure);
 				UnifyResultListenerImpl li = new UnifyResultListenerImpl();
 				urm.addUnifyResultListener(li);
-				unify.unifyParallel(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm);
+				unify.unifyParallel(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, urm, usedTasks);
 				System.out.println("RESULT Final: " + li.getResults());
 				logFile.write("RES_FINAL: " + li.getResults().toString()+"\n");
 				logFile.flush();
@@ -555,8 +567,8 @@ public class JavaTXCompiler {
 			}
 			/* UnifyResultModel End */
 			else {
-				Set<Set<UnifyPair>> result = unify.unify(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons, finiteClosure));
-				//Set<Set<UnifyPair>> result = unify.unifyOderConstraints(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons, finiteClosure));
+				//Set<Set<UnifyPair>> result = unify.unify(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons, finiteClosure));
+				Set<Set<UnifyPair>> result = unify.unifyOderConstraints(unifyCons.getUndConstraints(), oderConstraints, finiteClosure, logFile, log, new UnifyResultModel(cons, finiteClosure), usedTasks);
 				System.out.println("RESULT: " + result);
 				logFile.write("RES: " + result.toString()+"\n");
 				logFile.flush();
@@ -642,7 +654,7 @@ public class JavaTXCompiler {
         return ret;
     }
     // um pfad erweitern
-    public void generateBytecode(String path) throws ClassNotFoundException, IOException {
+    public void generateBytecode(String path) throws ClassNotFoundException, IOException, BytecodeGeneratorError {
     		for(File f : sourceFiles.keySet()) {
     			HashMap<String,byte[]> classFiles = new HashMap<>();
     			SourceFile sf = sourceFiles.get(f);
@@ -650,6 +662,7 @@ public class JavaTXCompiler {
     			BytecodeGen bytecodeGen = new BytecodeGen(classFiles,typeinferenceResult,sf,path);
 //    			BytecodeGen bytecodeGen = new BytecodeGen(classFiles,typeinferenceResult.get(0));
         		bytecodeGen.visit(sf);
+        		this.simplifyResultsSF.add(bytecodeGen.getSimplifyResultsList());
         		this.writeClassFile(bytecodeGen.getClassFiles(), path);
     		}
     }
@@ -666,4 +679,8 @@ public class JavaTXCompiler {
 			System.out.println(name+".class file generated");
 		}
 	}
+	
+	public List<List<HashMap<String, SimplifyResult>>> getSimplifyResults() {
+		return simplifyResultsSF;
+	}
 }

src/main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java

@@ -100,7 +100,7 @@ public class UnifyTypeFactory {
             }
             ret = new ReferenceType(t.getName().toString(),new TypeParams(params));
         }else{
-            ret = new ReferenceType(t.getName().toString());
+            ret = new ReferenceType(t.getName().toString(), false);
         }
         return ret;
     }
@@ -136,7 +136,7 @@ public class UnifyTypeFactory {
     }
 
     public static UnifyType convert(GenericRefType t, Boolean innerType){
-        return new ReferenceType(t.getParsedName());
+        return new ReferenceType(t.getParsedName(), true);
     }
 
     public static UnifyType convert(WildcardType t, Boolean innerType){
@@ -222,12 +222,15 @@ public class UnifyTypeFactory {
                 return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (RefType) tr);
             }else if(tr instanceof WildcardType){
                 return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (WildcardType) tr);
+            }else if(tr instanceof GenericRefType){
+                return new PairTPHequalRefTypeOrWildcardType((TypePlaceholder)tl, (GenericRefType) tr);
             }else throw new NotImplementedException();
         }else throw new NotImplementedException();
     }
 
     public static RefTypeOrTPHOrWildcardOrGeneric convert(ReferenceType t, Map<String,TypePlaceholder> tphs) {
         if(JavaClassName.Void.equals(t.getName()))return new Void(new NullToken());
+        if (t.isGenTypeVar()) return new GenericRefType(t.getName(),new NullToken());
         RefType ret = new RefType(new JavaClassName(t.getName()),convert(t.getTypeParams(), tphs),new NullToken());
         return ret;
     }

src/main/java/de/dhbwstuttgart/typedeployment/TypeInsert.java

@@ -1,22 +1,23 @@
 package de.dhbwstuttgart.typedeployment;
 
-import org.antlr.v4.runtime.Token;
-
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import de.dhbwstuttgart.typeinference.result.ResultPair;
+
 public class TypeInsert {
     /**
      * point wird hauptsächlich zur Anzeige einer Annotation im Eclipse-plugin benutzt.
      */
     public final TypeInsertPoint point;
     Set<TypeInsertPoint> inserts;
+    ResultPair<?, ?> resultPair;
 
-    public TypeInsert(TypeInsertPoint point, Set<TypeInsertPoint> additionalPoints){
+    public TypeInsert(TypeInsertPoint point, Set<TypeInsertPoint> additionalPoints, ResultPair<?, ?> resultPair){
         this.point = point;
         inserts = additionalPoints;
+        this.resultPair = resultPair;
     }
 
     public String insert(String intoSource){
@@ -34,6 +35,10 @@ public class TypeInsert {
         return point.getInsertString();
     }
     
+    public ResultPair<?, ?> getResultPair() {
+    	return this.resultPair;
+    }
+    
     /* PL 2018-06-18
      * Zwei TypeInsert's sind gleich, wenn ihre point's und ihre inserts' gleich sind 
      * eingefuegt damit man TypeReplaceMarker vergleichen kann

src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java

@@ -32,7 +32,7 @@ public class TypeInsertFactory {
         ResolvedType resolvedType = resultSet.resolveType(type);
         TypeInsertPoint insertPoint = new TypeInsertPoint(offset,
                     new TypeToInsertString(resolvedType.resolvedType).insert);
-        return new TypeInsert(insertPoint, new HashSet<>(Arrays.asList(createGenericInsert(resolvedType.additionalGenerics, cl, m))));
+        return new TypeInsert(insertPoint, new HashSet<>(), resolvedType.getResultPair());
     }
 
     private static TypeInsertPoint createGenericInsert(Set<GenericInsertPair> toInsert, ClassOrInterface cl, Method m){

src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPlacer.java

@@ -1,73 +1,73 @@
-package de.dhbwstuttgart.typedeployment;
-
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.syntaxtree.*;
-import de.dhbwstuttgart.syntaxtree.statement.JavaInternalExpression;
-import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.result.ResultSet;
-
-import java.util.HashSet;
-import java.util.Set;
-
-public class TypeInsertPlacer extends AbstractASTWalker{
-    Set<TypeInsert> inserts = new HashSet<>();
-    private ResultSet withResults;
-
-    public Set<TypeInsert> getTypeInserts(SourceFile forSourceFile, ResultSet withResults){
-        this.withResults = withResults;
-        forSourceFile.accept(this);
-        return inserts;
-    }
-
-    @Override
-    public void visit(ClassOrInterface classOrInterface) {
-        TypeInsertPlacerClass cl = new TypeInsertPlacerClass(classOrInterface, withResults);
-        this.inserts.addAll(cl.inserts);
-    }
-}
-
-class TypeInsertPlacerClass extends AbstractASTWalker{
-    protected final ResultSet results;
-    protected final ClassOrInterface cl;
-    public final Set<TypeInsert> inserts = new HashSet<>();
-    private Method method;
-
-    TypeInsertPlacerClass(ClassOrInterface forClass, ResultSet withResults){
-        this.cl = forClass;
-        this.method = null;
-        this.results = withResults;
-        forClass.accept(this);
-    }
-
-    @Override
-    public void visit(Method method) {
-        this.method = method;
-        if(method.getReturnType() instanceof TypePlaceholder)
-            inserts.add(TypeInsertFactory.createInsertPoints(
-                    method.getReturnType(), method.getReturnType().getOffset(), cl, method, results));
-        super.visit(method);
-    }
-
-    @Override
-    public void visit(Field field) {
-        if(field.getType() instanceof TypePlaceholder){
-                inserts.add(TypeInsertFactory.createInsertPoints(
-                        field.getType(), field.getType().getOffset(), cl, method, results));
-        }
-        super.visit(field);
-    }
-
-    @Override
-    public void visit(FormalParameter param) {
-            if(param.getType() instanceof TypePlaceholder)
-                inserts.add(TypeInsertFactory.createInsertPoints(
-                        param.getType(), param.getType().getOffset(), cl, method, results));
-        super.visit(param);
-    }
-
-    @Override
-    public void visit(LambdaExpression lambdaExpression) {
-        //Lambda-Ausdrücke brauchen keine Typeinsetzungen
-    }
-}
+package de.dhbwstuttgart.typedeployment;
+
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.syntaxtree.*;
+import de.dhbwstuttgart.syntaxtree.statement.JavaInternalExpression;
+import de.dhbwstuttgart.syntaxtree.statement.LambdaExpression;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import de.dhbwstuttgart.typeinference.result.ResultSet;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class TypeInsertPlacer extends AbstractASTWalker{
+    Set<TypeInsert> inserts = new HashSet<>();
+    private ResultSet withResults;
+
+    public Set<TypeInsert> getTypeInserts(SourceFile forSourceFile, ResultSet withResults){
+        this.withResults = withResults;
+        forSourceFile.accept(this);
+        return inserts;
+    }
+
+    @Override
+    public void visit(ClassOrInterface classOrInterface) {
+        TypeInsertPlacerClass cl = new TypeInsertPlacerClass(classOrInterface, withResults);
+        this.inserts.addAll(cl.inserts);
+    }
+}
+
+class TypeInsertPlacerClass extends AbstractASTWalker{
+    protected final ResultSet results;
+    protected final ClassOrInterface cl;
+    public final Set<TypeInsert> inserts = new HashSet<>();
+    private Method method;
+
+    TypeInsertPlacerClass(ClassOrInterface forClass, ResultSet withResults){
+        this.cl = forClass;
+        this.method = null;
+        this.results = withResults;
+        forClass.accept(this);
+    }
+
+    @Override
+    public void visit(Method method) {
+        this.method = method;
+        if(method.getReturnType() instanceof TypePlaceholder)
+            inserts.add(TypeInsertFactory.createInsertPoints(
+                    method.getReturnType(), method.getReturnType().getOffset(), cl, method, results));
+        super.visit(method);
+    }
+
+    @Override
+    public void visit(Field field) {
+        if(field.getType() instanceof TypePlaceholder){
+                inserts.add(TypeInsertFactory.createInsertPoints(
+                        field.getType(), field.getType().getOffset(), cl, method, results));
+        }
+        super.visit(field);
+    }
+
+    @Override
+    public void visit(FormalParameter param) {
+            if(param.getType() instanceof TypePlaceholder)
+                inserts.add(TypeInsertFactory.createInsertPoints(
+                        param.getType(), param.getType().getOffset(), cl, method, results));
+        super.visit(param);
+    }
+
+    @Override
+    public void visit(LambdaExpression lambdaExpression) {
+        //Lambda-Ausdrücke brauchen keine Typeinsetzungen
+    }
+}

src/main/java/de/dhbwstuttgart/typedeployment/TypeInsertPoint.java

@@ -1,49 +1,59 @@
-package de.dhbwstuttgart.typedeployment;
-
-import org.antlr.v4.runtime.Token;
-
-import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
-
-import java.util.List;
-import java.util.stream.Collectors;
-
-public class TypeInsertPoint {
-    public final Token point;
-    private String insertString;
-
-    public TypeInsertPoint(Token point, String toInsert){
-        this.point = point;
-        this.insertString = (toInsert.endsWith(" ")) ? toInsert : toInsert + " " ;
-    }
-
-    public String insert(String intoSource, List<TypeInsertPoint> additionalOffset){
-        int offset = additionalOffset.stream().filter((token ->
-                //token.point.getLine() != point.getLine() && token.point.getCharPositionInLine() <= point.getCharPositionInLine()))
-                token.point.getStartIndex() <= point.getStartIndex()))
-                .mapToInt((typeInsertPoint -> typeInsertPoint.insertString.length())).sum();
-        return new StringBuilder(intoSource).insert(point.getStartIndex()+offset, insertString).toString();
-    }
-
-    public String getInsertString() {
-        return insertString;
-    }
-    
-    /* PL 2018-06-19
-     * Zwei TypeInsertPoint's sind gleich, wenn ihre point's gleich sind 
-     * eingefuegt damit man TypeReplaceMarker vergleichen kann
-     * @see java.lang.Object#equals(java.lang.Object)
-     */
-    public boolean equals(Object obj) {
-    	if(!(obj instanceof TypeInsertPoint)) {
-			return false;
-    	}
-    	else {
-    		return ((TypeInsertPoint)obj).point.equals(this.point) &&
-    				((TypeInsertPoint)obj).insertString.equals(this.insertString);
-    	}			
-    }
-    
-    public String toString() {
-    	return point.toString() + " " + insertString.toString();
-    }
-}
+package de.dhbwstuttgart.typedeployment;
+
+import org.antlr.v4.runtime.Token;
+
+import de.dhbwstuttgart.typeinference.unify.model.ReferenceType;
+
+import java.time.OffsetDateTime;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class TypeInsertPoint {
+    public Token point;
+    private String insertString;
+    private int extraOffset = 0;
+
+    public TypeInsertPoint(Token point, String toInsert){
+        this.point = point;
+        this.insertString = (toInsert.endsWith(" ")) ? toInsert : toInsert + " " ;
+    }
+
+    public String insert(String intoSource, List<TypeInsertPoint> additionalOffset){
+        int offset = additionalOffset.stream().filter((token ->
+                //token.point.getLine() != point.getLine() && token.point.getCharPositionInLine() <= point.getCharPositionInLine()))
+                token.point.getStartIndex() <= point.getStartIndex()))
+                .mapToInt((typeInsertPoint -> typeInsertPoint.insertString.length())).sum();
+        return new StringBuilder(intoSource).insert(point.getStartIndex()+offset+extraOffset, insertString).toString();
+    }
+
+    public String getInsertString() {
+        return insertString;
+    }
+       
+    public void addExtraOffset(int toAdd) {
+    	this.extraOffset += toAdd;
+    }
+    
+    public int getPositionInCode() {
+    	return point.getStartIndex() + extraOffset; 
+    }
+    
+    /* PL 2018-06-19
+     * Zwei TypeInsertPoint's sind gleich, wenn ihre point's gleich sind 
+     * eingefuegt damit man TypeReplaceMarker vergleichen kann
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    public boolean equals(Object obj) {
+    	if(!(obj instanceof TypeInsertPoint)) {
+			return false;
+    	}
+    	else {
+    		return ((TypeInsertPoint)obj).point.equals(this.point) &&
+    				((TypeInsertPoint)obj).insertString.equals(this.insertString);
+    	}			
+    }
+    
+    public String toString() {
+    	return point.toString() + " " + insertString.toString();
+    }
+}

src/main/java/de/dhbwstuttgart/typeinference/result/GenericInsertPair.java

@@ -23,4 +23,9 @@ public class GenericInsertPair  {
         if(TA2.equals(additionalTPH))return true;
         return false;
     }
+    
+    @Override
+    public String toString() {
+    	return "GenIns(" + TA1.toString() + " < " + TA2.toString() + ")";
+    }
 }

src/main/java/de/dhbwstuttgart/typeinference/result/PairTPHequalRefTypeOrWildcardType.java

@@ -21,4 +21,9 @@ public class PairTPHequalRefTypeOrWildcardType extends ResultPair{
     public void accept(ResultPairVisitor visitor) {
         visitor.visit(this);
     }
+    
+    @Override
+    public String toString() {
+    	return "(" + left.toString() + " = " + right.toString() + ")";
+    }
 }

src/main/java/de/dhbwstuttgart/typeinference/result/PairTPHsmallerTPH.java

@@ -20,4 +20,9 @@ public class PairTPHsmallerTPH extends ResultPair{
     public void accept(ResultPairVisitor visitor) {
         visitor.visit(this);
     }
+    
+    @Override
+    public String toString() {
+    	return "(" + left.toString() + " < " + right.toString() + ")";
+    }
 }

src/main/java/de/dhbwstuttgart/typeinference/result/ResolvedType.java

@@ -7,11 +7,21 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import java.util.Set;
 
 public class ResolvedType{
+	private ResultPair<?, ?> resultPair; 
+	
     public final RefTypeOrTPHOrWildcardOrGeneric resolvedType;
-    public final Set<GenericInsertPair> additionalGenerics;
+    //public final Set<GenericInsertPair> additionalGenerics;
 
     public ResolvedType(RefTypeOrTPHOrWildcardOrGeneric resolvedType, Set<GenericInsertPair> additionalGenerics){
         this.resolvedType = resolvedType;
-        this.additionalGenerics = additionalGenerics;
+        //this.additionalGenerics = additionalGenerics;
     }
+
+	public void setResultPair(ResultPair<?, ?> resultPair) {
+		this.resultPair = resultPair;
+	}
+	
+	public ResultPair<?, ?> getResultPair() {
+		return resultPair;
+	}
 }

src/main/java/de/dhbwstuttgart/typeinference/result/ResultPair.java

@@ -1,30 +1,62 @@
-package de.dhbwstuttgart.typeinference.result;
-
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-
-/**
- * Paare, welche das Unifikationsergebnis darstellen
- */
-public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric,B extends RefTypeOrTPHOrWildcardOrGeneric> {
-    private final A left;
-    private final B right;
-
-    public abstract void accept(ResultPairVisitor visitor);
-
-    public ResultPair(A left, B right){
-        this.left = left;
-        this.right = right;
-    }
-
-    public A getLeft() {
-        return left;
-    }
-
-    public B getRight() {
-        return right;
-    }
-    
-    public String toString() {
-    	return "(" + left.toString() + ", " + right.toString() + ")";
-    }
-}
+package de.dhbwstuttgart.typeinference.result;
+
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+
+/**
+ * Paare, welche das Unifikationsergebnis darstellen
+ */
+public abstract class ResultPair<A extends RefTypeOrTPHOrWildcardOrGeneric,B extends RefTypeOrTPHOrWildcardOrGeneric> {
+    private final A left;
+    private final B right;
+
+    public abstract void accept(ResultPairVisitor visitor);
+
+    public ResultPair(A left, B right){
+        this.left = left;
+        this.right = right;
+    }
+
+    public A getLeft() {
+        return left;
+    }
+
+    public B getRight() {
+        return right;
+    }
+    
+    public String toString() {
+    	return "(" + left.toString() + ", " + right.toString() + ")";
+    }
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((left == null) ? 0 : left.getOffset().hashCode());
+		result = prime * result + ((right == null) ? 0 : right.getOffset().hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		ResultPair<?,?> other = (ResultPair<?,?>) obj;
+		if (left == null) {
+			if (other.left != null)
+				return false;
+		} else if (!left.getOffset().equals(other.left.getOffset()))
+			return false;
+		if (right == null) {
+			if (other.right != null)
+				return false;
+		} else if (!right.getOffset().equals(other.right.getOffset()))
+			return false;
+		return true;
+	}
+   
+}

src/main/java/de/dhbwstuttgart/typeinference/result/ResultSet.java

@@ -1,270 +1,309 @@
-package de.dhbwstuttgart.typeinference.result;
-
-import de.dhbwstuttgart.exceptions.NotImplementedException;
-import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
-import de.dhbwstuttgart.syntaxtree.type.*;
-
-import java.util.HashSet;
-import java.util.Set;
-
-public class ResultSet {
-    public final Set<ResultPair> results;
-    public ResultSet(Set<ResultPair> results){
-        this.results = results;
-    }
-
-    public ResolvedType resolveType(RefTypeOrTPHOrWildcardOrGeneric type) {
-        if(type instanceof TypePlaceholder)
-            return new Resolver(this).resolve((TypePlaceholder)type);
-        if(type instanceof GenericRefType)return new ResolvedType(type, new HashSet<>());
-        if(type instanceof RefType){
-            RelatedTypeWalker related = new RelatedTypeWalker(null, this);
-            type.accept(related);
-            return new ResolvedType(type, related.relatedTPHs);
-        }else{
-            throw new NotImplementedException();
-            //return new ResolvedType(type,new HashSet<>());
-        }
-    }
-
-    //TODO Beim Einsetzen eines Generics, müssen die new und Methodenaufrufe verändert werden
-    
-    public String toString() {
-    	return results.toString();
-    }
-
-}
-
-class Resolver implements ResultSetVisitor {
-    private final ResultSet result;
-    private TypePlaceholder toResolve;
-    private RefTypeOrTPHOrWildcardOrGeneric resolved;
-    private final Set<GenericInsertPair> additionalTPHs = new HashSet<>();
-
-    public Resolver(ResultSet resultPairs){
-        this.result = resultPairs;
-    }
-
-    public ResolvedType resolve(TypePlaceholder tph){
-        toResolve = tph;
-        resolved = null;
-        System.out.println(tph.toString());
-        for(ResultPair resultPair : result.results){
-            if(resultPair instanceof PairTPHEqualTPH && ((PairTPHEqualTPH) resultPair).getLeft().equals(toResolve)){
-                return resolve(((PairTPHEqualTPH) resultPair).getRight());
-            }
-        }
-        for(ResultPair resultPair : result.results){
-            resultPair.accept(this);
-        }
-        if(resolved==null){//TPH kommt nicht im Result vor:
-            resolved = tph;
-        }
-
-        return new ResolvedType(resolved, additionalTPHs);//resolved;
-    }
-
-    @Override
-    public void visit(PairTPHsmallerTPH p) {
-        if(p.left.equals(toResolve)){
-            additionalTPHs.add(new GenericInsertPair(p.left, p.right));
-            additionalTPHs.addAll(new RelatedTypeWalker(p.right, result).relatedTPHs);
-        }
-        if(p.right.equals(toResolve))
-            additionalTPHs.addAll(new RelatedTypeWalker(p.left, result).relatedTPHs);
-    }
-
-    @Override
-    public void visit(PairTPHequalRefTypeOrWildcardType p) {
-        if(p.left.equals(toResolve)){
-            resolved = p.right;
-            RelatedTypeWalker related = new RelatedTypeWalker(null, result);
-            p.right.accept(related);
-            additionalTPHs.addAll(related.relatedTPHs);
-        }
-    }
-
-    @Override
-    public void visit(PairTPHEqualTPH p) {
-        //Do nothing. Dieser Fall wird in der resolve-Methode abgefangen
-    }
-
-    @Override
-    public void visit(RefType refType) {
-
-    }
-
-    @Override
-    public void visit(GenericRefType genericRefType) {
-
-    }
-
-    @Override
-    public void visit(SuperWildcardType superWildcardType) {
-
-    }
-
-    @Override
-    public void visit(TypePlaceholder typePlaceholder) {
-
-    }
-
-    @Override
-    public void visit(ExtendsWildcardType extendsWildcardType) {
-
-    }
-    
-    
-
-}
-
-/**
- * Sucht aus dem Result Set den Sub/supertyp für einen TPH
- */
-class TPHResolver implements ResultSetVisitor {
-
-    private final TypePlaceholder tph;
-    Set<GenericInsertPair> resolved = new HashSet<>();
-    private final ResultSet resultSet;
-
-    TPHResolver(TypePlaceholder tph, ResultSet resultSet){
-        this.resultSet = resultSet;
-        this.tph = tph;
-        for(ResultPair p : resultSet.results){
-            p.accept(this);
-        }
-        if(resolved.size() == 0){
-            resolved.add(new GenericInsertPair(tph, null));
-        }
-    }
-
-    @Override
-    public void visit(PairTPHsmallerTPH p) {
-        if(p.left.equals(tph) || p.right.equals(tph)){
-            resolved.add(new GenericInsertPair(p.left, p.right));
-        }
-    }
-
-    @Override
-    public void visit(PairTPHequalRefTypeOrWildcardType p) {
-        TypePlaceholder otherSide = null;
-        if(p.right.equals(tph)){
-            otherSide = p.left;
-        }
-        if(otherSide != null){
-            Set<ResultPair> newResultSet = new HashSet<>(this.resultSet.results);
-            newResultSet.remove(p);
-            resolved.addAll(new TPHResolver(otherSide, new ResultSet(newResultSet)).resolved);
-        }
-    }
-
-    @Override
-    public void visit(PairTPHEqualTPH p) {
-        //ignorieren. Wird vom Resolver behandelt
-    }
-
-    @Override
-    public void visit(RefType refType) {
-
-    }
-
-    @Override
-    public void visit(GenericRefType genericRefType) {
-
-    }
-
-    @Override
-    public void visit(SuperWildcardType superWildcardType) {
-
-    }
-
-    @Override
-    public void visit(TypePlaceholder typePlaceholder) {
-
-    }
-
-    @Override
-    public void visit(ExtendsWildcardType extendsWildcardType) {
-
-    }
-}
-
-class RelatedTypeWalker implements ResultSetVisitor {
-
-    final Set<GenericInsertPair> relatedTPHs = new HashSet<>();
-    private final TypePlaceholder toResolve;
-    private final ResultSet resultSet;
-
-    /**
-     * Läuft über das resultSet und speichert alle TPHs, welche mit start in Verbindung stehen
-     * @param start - kann null sein, wenn der Walker für einen RefType benutzt wird
-     * @param resultSet
-     */
-    RelatedTypeWalker(TypePlaceholder start, ResultSet resultSet){
-        this.toResolve = start;
-        this.resultSet = resultSet;
-        int resolved = 0;
-        do{
-            resolved = relatedTPHs.size();
-            for(ResultPair p : resultSet.results){
-                p.accept(this);
-                p.accept(this);
-            }
-        }while(resolved - relatedTPHs.size() > 0);
-    }
-
-    @Override
-    public void visit(PairTPHsmallerTPH p) {
-        if(p.getRight().equals(toResolve)){
-            relatedTPHs.addAll(new TPHResolver(p.right, resultSet).resolved);
-            //relatedTPHs.addAll(new RelatedTypeWalker(p.right, resultSet).relatedTPHs);
-        }
-        if(p.getLeft().equals(toResolve)){
-            relatedTPHs.addAll(new TPHResolver(p.left, resultSet).resolved);
-            //relatedTPHs.addAll(new RelatedTypeWalker(p.left, resultSet).relatedTPHs);
-        }
-    }
-
-    @Override
-    public void visit(PairTPHequalRefTypeOrWildcardType p) {
-        if(p.getLeft().equals(toResolve)){
-            p.getRight().accept(this);
-        }
-    }
-
-    @Override
-    public void visit(PairTPHEqualTPH p) {
-        //Kann ignoriert werden. Diese Fälle werden vom Resolver behandelt
-    }
-
-    /*
-    Die folgenden Funktionen fügen alle TPHs an die relatedTPHs an, denen sie begegnen:
-    Das wird verwendet, wenn alle relatedTPHs aus den Parametern eines RefTypes angefügt werden sollen
-     */
-
-    @Override
-    public void visit(RefType refType) {
-        for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
-            param.accept(this);
-        }
-    }
-
-    @Override
-    public void visit(SuperWildcardType superWildcardType) {
-        superWildcardType.getInnerType().accept(this);
-    }
-
-    @Override
-    public void visit(TypePlaceholder typePlaceholder) {
-        relatedTPHs.addAll(new TPHResolver(typePlaceholder, resultSet).resolved);
-    }
-
-    @Override
-    public void visit(ExtendsWildcardType extendsWildcardType) {
-        extendsWildcardType.getInnerType().accept(this);
-    }
-
-    @Override
-    public void visit(GenericRefType genericRefType) {
-    }
+package de.dhbwstuttgart.typeinference.result;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import de.dhbwstuttgart.exceptions.NotImplementedException;
+import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
+import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+
+@SuppressWarnings("rawtypes")
+public class ResultSet {
+
+    public final Set<ResultPair> results;
+    public Set<ResultPair<TypePlaceholder, TypePlaceholder>> genIns;
+
+    public ResultSet(Set<ResultPair> set){
+        this.results = set;
+        this.genIns = new HashSet<>();
+        results.forEach(x -> { if (x instanceof PairTPHsmallerTPH) { this.genIns.add(x);}} );
+    }
+    
+    public boolean contains(ResultPair toCheck) {
+    	return this.results.contains(toCheck);
+    }
+    
+    public void remove(ResultPair toCheck) {
+    	results.remove(toCheck);
+    }
+
+    public ResolvedType resolveType(RefTypeOrTPHOrWildcardOrGeneric type) {
+        if(type instanceof TypePlaceholder)
+            return new Resolver(this).resolve((TypePlaceholder)type);
+        if(type instanceof GenericRefType)return new ResolvedType(type, new HashSet<>());
+        if(type instanceof RefType) {
+            RelatedTypeWalker related = new RelatedTypeWalker(null, this);
+            type.accept(related);
+            return new ResolvedType(type, related.relatedTPHs);
+        } else {
+            throw new NotImplementedException();
+            //return new ResolvedType(type,new HashSet<>());
+        }
+    }
+
+    public String toString() {
+    	return results.toString();
+    }
+
+	@Override
+	public boolean equals(Object o) {
+		if (o instanceof ResultSet) {
+			ResultSet other = (ResultSet)o;
+			return this.results.equals(other.results);
+		} else {
+			return false;
+		}
+	}
+
+	@Override
+	public int hashCode() {
+		return results.hashCode();
+	}
+}
+
+class Resolver implements ResultSetVisitor {
+    private final ResultSet result;
+    private TypePlaceholder toResolve;
+    private RefTypeOrTPHOrWildcardOrGeneric resolved;
+    private final Set<GenericInsertPair> additionalTPHs = new HashSet<>();
+    private ResultPair<?,?> currentPair;
+
+    public Resolver(ResultSet resultPairs){
+        this.result = resultPairs;
+    }
+
+    public ResolvedType resolve(TypePlaceholder tph){
+        toResolve = tph;
+        resolved = null;
+        System.out.println(tph.toString());
+        for(ResultPair<?,?> resultPair : result.results) {
+            if(resultPair instanceof PairTPHEqualTPH && ((PairTPHEqualTPH) resultPair).getLeft().equals(toResolve)){
+            	currentPair = resultPair;
+                return resolve(((PairTPHEqualTPH) resultPair).getRight());
+            }
+        }
+        for(ResultPair<?,?> resultPair : result.results){
+        	currentPair = resultPair;
+            resultPair.accept(this);
+        }
+        if(resolved==null){//TPH kommt nicht im Result vor:
+            resolved = tph;
+        }
+
+        ResolvedType result = new ResolvedType(resolved, additionalTPHs);//resolved;
+        result.setResultPair(currentPair);
+        return result;
+    }
+
+    @Override
+    public void visit(PairTPHsmallerTPH p) {
+    	currentPair = p;
+        if(p.left.equals(toResolve)){
+            additionalTPHs.add(new GenericInsertPair(p.left, p.right));
+            additionalTPHs.addAll(new RelatedTypeWalker(p.right, result).relatedTPHs);
+        }
+        if(p.right.equals(toResolve))
+            additionalTPHs.addAll(new RelatedTypeWalker(p.left, result).relatedTPHs);
+    }
+
+    @Override
+    public void visit(PairTPHequalRefTypeOrWildcardType p) {
+    	currentPair = p;
+        if(p.left.equals(toResolve)){
+            resolved = p.right;
+            RelatedTypeWalker related = new RelatedTypeWalker(null, result);
+            p.right.accept(related);
+            additionalTPHs.addAll(related.relatedTPHs);
+        }
+    }
+
+    @Override
+    public void visit(PairTPHEqualTPH p) {
+        //Do nothing. Dieser Fall wird in der resolve-Methode abgefangen
+    }
+
+    @Override
+    public void visit(RefType refType) {
+
+    }
+
+    @Override
+    public void visit(GenericRefType genericRefType) {
+
+    }
+
+    @Override
+    public void visit(SuperWildcardType superWildcardType) {
+
+    }
+
+    @Override
+    public void visit(TypePlaceholder typePlaceholder) {
+
+    }
+
+    @Override
+    public void visit(ExtendsWildcardType extendsWildcardType) {
+
+    }
+    
+    
+
+}
+
+/**
+ * Sucht aus dem Result Set den Sub/supertyp für einen TPH
+ */
+@SuppressWarnings("rawtypes")
+class TPHResolver implements ResultSetVisitor {
+
+    private final TypePlaceholder tph;
+    Set<GenericInsertPair> resolved = new HashSet<>();
+    private final ResultSet resultSet;
+
+    TPHResolver(TypePlaceholder tph, ResultSet resultSet){
+        this.resultSet = resultSet;
+        this.tph = tph;
+        for(ResultPair p : resultSet.results){
+            p.accept(this);
+        }
+        if(resolved.size() == 0){
+            resolved.add(new GenericInsertPair(tph, null));
+        }
+    }
+
+    @Override
+    public void visit(PairTPHsmallerTPH p) {
+        if(p.left.equals(tph) || p.right.equals(tph)){
+            resolved.add(new GenericInsertPair(p.left, p.right));
+        }
+    }
+
+    @Override
+    public void visit(PairTPHequalRefTypeOrWildcardType p) {
+        TypePlaceholder otherSide = null;
+        if(p.right.equals(tph)){
+            otherSide = p.left;
+        }
+        if(otherSide != null){
+            Set<ResultPair> newResultSet = new HashSet<>(this.resultSet.results);
+            newResultSet.remove(p);
+            resolved.addAll(new TPHResolver(otherSide, new ResultSet(newResultSet)).resolved);
+        }
+    }
+
+    @Override
+    public void visit(PairTPHEqualTPH p) {
+        //ignorieren. Wird vom Resolver behandelt
+    }
+
+    @Override
+    public void visit(RefType refType) {
+
+    }
+
+    @Override
+    public void visit(GenericRefType genericRefType) {
+
+    }
+
+    @Override
+    public void visit(SuperWildcardType superWildcardType) {
+
+    }
+
+    @Override
+    public void visit(TypePlaceholder typePlaceholder) {
+
+    }
+
+    @Override
+    public void visit(ExtendsWildcardType extendsWildcardType) {
+
+    }
+}
+
+@SuppressWarnings("rawtypes")
+class RelatedTypeWalker implements ResultSetVisitor {
+
+    final Set<GenericInsertPair> relatedTPHs = new HashSet<>();
+    private final TypePlaceholder toResolve;
+    private final ResultSet resultSet;
+
+    /**
+     * Läuft über das resultSet und speichert alle TPHs, welche mit start in Verbindung stehen
+     * @param start - kann null sein, wenn der Walker für einen RefType benutzt wird
+     * @param resultSet
+     */
+    RelatedTypeWalker(TypePlaceholder start, ResultSet resultSet){
+        this.toResolve = start;
+        this.resultSet = resultSet;
+        int resolved = 0;
+        do{
+            resolved = relatedTPHs.size();
+            for(ResultPair p : resultSet.results){
+                p.accept(this);
+                p.accept(this);
+            }
+        }while(resolved - relatedTPHs.size() > 0);
+    }
+
+    @Override
+    public void visit(PairTPHsmallerTPH p) {
+        if(p.getRight().equals(toResolve)){
+            relatedTPHs.addAll(new TPHResolver(p.right, resultSet).resolved);
+            //relatedTPHs.addAll(new RelatedTypeWalker(p.right, resultSet).relatedTPHs);
+        }
+        if(p.getLeft().equals(toResolve)){
+            relatedTPHs.addAll(new TPHResolver(p.left, resultSet).resolved);
+            //relatedTPHs.addAll(new RelatedTypeWalker(p.left, resultSet).relatedTPHs);
+        }
+    }
+
+    @Override
+    public void visit(PairTPHequalRefTypeOrWildcardType p) {
+        if(p.getLeft().equals(toResolve)){
+            p.getRight().accept(this);
+        }
+    }
+
+    @Override
+    public void visit(PairTPHEqualTPH p) {
+        //Kann ignoriert werden. Diese Fälle werden vom Resolver behandelt
+    }
+
+    /*
+    Die folgenden Funktionen fügen alle TPHs an die relatedTPHs an, denen sie begegnen:
+    Das wird verwendet, wenn alle relatedTPHs aus den Parametern eines RefTypes angefügt werden sollen
+     */
+
+    @Override
+    public void visit(RefType refType) {
+        for(RefTypeOrTPHOrWildcardOrGeneric param : refType.getParaList()){
+            param.accept(this);
+        }
+    }
+
+    @Override
+    public void visit(SuperWildcardType superWildcardType) {
+        superWildcardType.getInnerType().accept(this);
+    }
+
+    @Override
+    public void visit(TypePlaceholder typePlaceholder) {
+        relatedTPHs.addAll(new TPHResolver(typePlaceholder, resultSet).resolved);
+    }
+
+    @Override
+    public void visit(ExtendsWildcardType extendsWildcardType) {
+        extendsWildcardType.getInnerType().accept(this);
+    }
+
+    @Override
+    public void visit(GenericRefType genericRefType) {
+    }
 }

src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java

@@ -229,7 +229,7 @@ public class TYPEStmt implements StatementVisitor{
                 binary.operation.equals(BinaryExpr.Operator.MUL)||
                 binary.operation.equals(BinaryExpr.Operator.MOD)||
                 binary.operation.equals(BinaryExpr.Operator.ADD)||
-                binary.operation.equals(BinaryExpr.Operator.SUB)){
+                binary.operation.equals(BinaryExpr.Operator.SUB)) {
             Set<Constraint<Pair>> numericAdditionOrStringConcatenation = new HashSet<>();
 
 // TODO PL 2018-11-06
@@ -312,6 +312,9 @@ public class TYPEStmt implements StatementVisitor{
             		numericAdditionOrStringConcatenation.add(stringConcat);
             	}
             }
+            if(numericAdditionOrStringConcatenation.size()<1){
+                throw new TypeinferenceException("Kein Typ für " + binary.operation.toString() + "  vorhanden", binary.getOffset());
+            }
             constraintsSet.addOderConstraint(numericAdditionOrStringConcatenation);
         }else if(binary.operation.equals(BinaryExpr.Operator.LESSEQUAL) ||
                 binary.operation.equals(BinaryExpr.Operator.BIGGEREQUAL) ||
@@ -355,6 +358,7 @@ public class TYPEStmt implements StatementVisitor{
             //***ACHTUNG: Moeglicherweise oder und und-Contraint falsch
     */
             //Testeise eingefuegt PL 2018-05-24
+        	//Hier sollte evtl. noch importe angefragt werden PL 2019-05-07
             constraintsSet.addUndConstraint(new Pair(binary.lexpr.getType(), number, PairOperator.SMALLERNEQDOT));
             constraintsSet.addUndConstraint(new Pair(binary.rexpr.getType(), number, PairOperator.SMALLERNEQDOT));
             //Rückgabetyp ist Boolean

src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify.java

@@ -3,10 +3,12 @@ package de.dhbwstuttgart.typeinference.unify;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.Writer;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ForkJoinPool;
 
+import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.typeinference.constraints.Constraint;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
 import de.dhbwstuttgart.typeinference.constraints.Pair;
@@ -26,8 +28,8 @@ public class TypeUnify {
 	 * @param cons
 	 * @return
 	 */
-	public Set<Set<UnifyPair>> unify(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret);
+	public Set<Set<UnifyPair>> unify(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks);
 		ForkJoinPool pool = new ForkJoinPool();
 		pool.invoke(unifyTask);
 		Set<Set<UnifyPair>> res =  unifyTask.join();
@@ -52,8 +54,8 @@ public class TypeUnify {
 	 * @param ret
 	 * @return
 	 */
-	public UnifyResultModel unifyAsync(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret);
+	public UnifyResultModel unifyAsync(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks);
 		ForkJoinPool pool = new ForkJoinPool();
 		pool.invoke(unifyTask);
 		return ret;
@@ -70,8 +72,8 @@ public class TypeUnify {
 	 * @param ret
 	 * @return
 	 */
-	public UnifyResultModel unifyParallel(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret);
+	public UnifyResultModel unifyParallel(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, true, logFile, log, 0, ret, usedTasks);
 		ForkJoinPool pool = new ForkJoinPool();
 		pool.invoke(unifyTask);
 		Set<Set<UnifyPair>> res =  unifyTask.join();
@@ -103,8 +105,8 @@ public class TypeUnify {
 	 * @param cons
 	 * @return
 	 */
-	public Set<Set<UnifyPair>> unifyOderConstraints(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret) {
-		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, false, logFile, log, 0, ret);
+	public Set<Set<UnifyPair>> unifyOderConstraints(Set<UnifyPair> undConstrains, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, Writer logFile, Boolean log, UnifyResultModel ret, UnifyTaskModel usedTasks) {
+		TypeUnifyTask unifyTask = new TypeUnifyTask(undConstrains, oderConstraints, fc, false, logFile, log, 0, ret, usedTasks);
 		Set<Set<UnifyPair>> res = unifyTask.compute();
 		try {
 			logFile.write("\nnoShortendElements: " + unifyTask.noShortendElements +"\n");

src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnify2Task.java

@@ -3,6 +3,7 @@ package de.dhbwstuttgart.typeinference.unify;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.Writer;
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -17,8 +18,8 @@ public class TypeUnify2Task extends TypeUnifyTask {
        
        Set<Set<UnifyPair>> setToFlatten;
 
-       public TypeUnify2Task(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Set<UnifyPair>>> oderConstraints, Set<UnifyPair> nextSetElement, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm) {
-               super(eq, oderConstraints, fc, parallel, logFile, log, rekTiefe, urm);
+       public TypeUnify2Task(Set<Set<UnifyPair>> setToFlatten, Set<UnifyPair> eq, List<Set<Set<UnifyPair>>> oderConstraints, Set<UnifyPair> nextSetElement, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks) {
+               super(eq, oderConstraints, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
                this.setToFlatten = setToFlatten;
                this.nextSetElement = nextSetElement;
        }
@@ -38,9 +39,17 @@ public class TypeUnify2Task extends TypeUnifyTask {
                        return new HashSet<>(); }
                else
                */ 
+
                noOfThread--;
-               return res;
-       }
+               synchronized (usedTasks) {
+            	   if (this.myIsCancelled()) {
+   						return new HashSet<>();
+   					}
+   					else {
+   						return res;
+   					}
+   				}
+       	}
        
        public void closeLogFile() {
 

src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java

@@ -19,6 +19,10 @@ import java.util.function.BinaryOperator;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import org.apache.commons.io.output.NullOutputStream;
+
+import de.dhbwstuttgart.exceptions.TypeinferenceException;
+import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
 import de.dhbwstuttgart.typeinference.constraints.Constraint;
 import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
@@ -44,6 +48,7 @@ import de.dhbwstuttgart.typeinference.unify.model.Pair;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.OutputStreamWriter;
 import java.io.Writer;
 
 import com.google.common.collect.Ordering;
@@ -117,6 +122,10 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 	
 	static Integer  noShortendElements = 0;
 	
+	Boolean myIsCanceled = false;
+	
+	volatile UnifyTaskModel usedTasks;
+	
 	public TypeUnifyTask() { 
 		rules = new RuleSet();
 	}
@@ -136,7 +145,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 	*/
 	
 
-	public TypeUnifyTask(Set<UnifyPair> eq, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm) {
+	public TypeUnifyTask(Set<UnifyPair> eq, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, Writer logFile, Boolean log, int rekTiefe, UnifyResultModel urm, UnifyTaskModel usedTasks) {
 		synchronized (this) { 
 			this.eq = eq;
 			//this.oderConstraints = oderConstraints.stream().map(x -> x.stream().map(y -> new HashSet<>(y)).collect(Collectors.toSet(HashSet::new))).collect(Collectors.toList(ArrayList::new));
@@ -163,14 +172,26 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 			thNo = totalnoOfThread;
 			writeLog("thNo2 " + thNo);
 			try {
-				this.logFile = new FileWriter(new File(System.getProperty("user.dir")+"/src/test/java/logFiles/"+"Thread_"+thNo));
+				this.logFile = //new OutputStreamWriter(new NullOutputStream());
+				new FileWriter(new File(System.getProperty("user.dir")+"/src/test/resources/logFiles/"+"Thread_"+thNo));
+				logFile.write("");
 			}
 			catch (IOException e) { 
 				System.err.println("log-File nicht vorhanden");
 			}
+			/*Abbruchtest
+			if (thNo > 10) {
+				System.out.println("cancel");
+				usedTasks.cancel();
+				writeLog(nOfUnify.toString() + "cancel");
+				System.out.println("cancel");
+			}
+			*/
 			rules = new RuleSet(logFile);
 			this.rekTiefeField = rekTiefe;
 			this.urm = urm;
+			this.usedTasks = usedTasks;
+			this.usedTasks.add(this);
 		}
 	}
 	
@@ -206,6 +227,13 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		}		
 }
 */
+	void myCancel(Boolean b) {
+		myIsCanceled = true;
+	}
+	
+	public boolean myIsCancelled() {
+		return myIsCanceled;
+	}
 	
 	protected Set<Set<UnifyPair>> compute() {
 		if (one) {
@@ -228,8 +256,19 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		catch (IOException ioE) {
 			System.err.println("no log-File");
 		}
-		if (isUndefinedPairSetSet(res)) { return new HashSet<>(); }
-		else return res;
+		if (isUndefinedPairSetSet(res)) { 
+				throw new TypeinferenceException("Unresolved constraints: " + res.toString(), new NullToken()); //return new HashSet<>(); 
+			}
+		else {
+			synchronized (usedTasks) {
+				if (this.myIsCancelled()) {
+					return new HashSet<>();
+				}
+				else {
+					return res;
+				}
+			}
+		}
 	}
 /*	
 	@Override
@@ -263,6 +302,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		/*
 		 * Step 1: Repeated application of reduce, adapt, erase, swap 
 		 */
+		
 		rekTiefe++;
 		nOfUnify++;
         writeLog(nOfUnify.toString() + " Unifikation: " + eq.toString());
@@ -421,7 +461,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		//		.stream().map(x -> new HashSet<>(x))
 		//		.collect(Collectors.toCollection(HashSet::new));
 		//Muss auskommentiert werden, wenn computeCartesianRecursive ENDE
+		
 
+		
 		Set<Set<UnifyPair>> eqPrimePrimeSet = new HashSet<>();
 		
 		Set<TypeUnifyTask> forks = new HashSet<>();
@@ -478,15 +520,16 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 																			  //PL 2018-05-18 beide Bedingungen muessen gelten, da eqPrime Veränderungen in allem ausser subst
 																			  //eqPrimePrime Veraenderungen in subst repraesentieren.
 					//try {
-						if (isSolvedForm(eqPrime)) {
-							writeLog("eqPrime:" + eqPrime.toString()+"\n");
-						}
+						//if (isSolvedForm(eqPrime)) {
+						//	writeLog("eqPrime:" + eqPrime.toString()+"\n");
+						//}
 					//}
 					//catch (IOException e) { 
 					//	System.err.println("log-File nicht vorhanden");
 					//}
 					eqPrimePrimeSet.add(eqPrime);
-					if (finalresult) { 
+					if (finalresult && isSolvedForm(eqPrime)) { 
+						writeLog("eqPrime:" + eqPrime.toString()+"\n");
 						urm.notify(eqPrimePrimeSet);
 					}
 				}
@@ -530,6 +573,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 	
 	Set<Set<UnifyPair>> computeCartesianRecursive(Set<Set<UnifyPair>> fstElems, ArrayList<Set<Set<UnifyPair>>> topLevelSets, Set<UnifyPair> eq, List<Set<Set<UnifyPair>>> oderConstraints, IFiniteClosure fc, boolean parallel, int rekTiefe, Boolean finalresult) {
 		//ArrayList<Set<Set<UnifyPair>>> remainingSets = new ArrayList<>(topLevelSets);
+		
 		fstElems.addAll(topLevelSets.stream()
 				                    .filter(x -> x.size()==1)
 				                    .map(y -> y.stream().findFirst().get())
@@ -794,9 +838,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 				newElemsOrig.add(a);
 				
 				/* FORK ANFANG */
-				TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm);
+				TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
 				//forks.add(forkOrig);
-				forkOrig.fork();
+				synchronized(usedTasks) {
+					if (this.myIsCancelled()) {
+						return new HashSet<>();
+					}
+					forkOrig.fork();
+				}
 				/* FORK ENDE */
 				
 				synchronized (this) {
@@ -841,9 +890,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 					Set<Set<UnifyPair>> newElems = new HashSet<>(elems);
 					List<Set<Set<UnifyPair>>> newOderConstraints = new ArrayList<>(oderConstraints);
 					newElems.add(nSaL);
-					TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm);
+					TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
 					forks.add(fork);
-					fork.fork();
+					synchronized(usedTasks) {
+						if (this.myIsCancelled()) {
+							return new HashSet<>();
+						}
+						fork.fork();
+					}
 				}
 				//res = unify2(newElemsOrig, newEqOrig, newOderConstraintsOrig, fc, parallel, rekTiefe);
 				
@@ -887,9 +941,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 				newElemsOrig.add(a);
 				
 				/* FORK ANFANG */
-				TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm);
+				TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
 				//forks.add(forkOrig);
-				forkOrig.fork();
+				synchronized(usedTasks) {
+					if (this.myIsCancelled()) {
+						return new HashSet<>();
+					}
+					forkOrig.fork();
+				}
 				/* FORK ENDE */
 				
 				synchronized (this) {
@@ -934,9 +993,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 					Set<Set<UnifyPair>> newElems = new HashSet<>(elems);
 					List<Set<Set<UnifyPair>>> newOderConstraints = new ArrayList<>(oderConstraints);
 					newElems.add(nSaL);
-					TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm);
+					TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
 					forks.add(fork);
-					fork.fork();
+					synchronized(usedTasks) {
+						if (this.myIsCancelled()) {
+							return new HashSet<>();
+						}
+						fork.fork();
+					}
 				}
 				//res = unify2(newElemsOrig, newEqOrig, newOderConstraintsOrig, fc, parallel, rekTiefe);
 				
@@ -981,9 +1045,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		    	newElemsOrig.add(a);
 				
 				/* FORK ANFANG */
-		    	TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm);
+		    	TypeUnify2Task forkOrig = new TypeUnify2Task(newElemsOrig, newEqOrig, newOderConstraintsOrig, a, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
 		    	//forks.add(forkOrig);
-		    	forkOrig.fork();
+		    	synchronized(usedTasks) {
+					if (this.myIsCancelled()) {
+						return new HashSet<>();
+					}
+					forkOrig.fork();
+		    	}
 		    	/* FORK ENDE */
 		    	
 		    	synchronized (this) {
@@ -997,9 +1066,14 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		    		Set<Set<UnifyPair>> newElems = new HashSet<>(elems);
 		    		List<Set<Set<UnifyPair>>> newOderConstraints = new ArrayList<>(oderConstraints);
 		    		newElems.add(nSaL);
-		    		TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm);
+		    		TypeUnify2Task fork = new TypeUnify2Task(newElems, newEq, newOderConstraints, nSaL, fc, parallel, logFile, log, rekTiefe, urm, usedTasks);
 		    		forks.add(fork);
-		    		fork.fork();
+		    		synchronized(usedTasks) {
+						if (this.myIsCancelled()) {
+							return new HashSet<>();
+						}
+						fork.fork();
+		    		}
 		    	}
 		    	//res = unify2(newElemsOrig, newEqOrig, newOderConstraintsOrig, fc, parallel, rekTiefe);
 		    	
@@ -1036,9 +1110,6 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 				if (!isUndefinedPairSetSet(res) && isUndefinedPairSetSet(result)) {
 					//wenn korrektes Ergebnis gefunden alle Fehlerfaelle loeschen
 					result = res;
-					if (res.iterator().next() instanceof WildcardType) {
-						System.out.println("");
-					}
 				}
 				else { 
 					if ((isUndefinedPairSetSet(res) && isUndefinedPairSetSet(result))
@@ -1066,8 +1137,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 						
 							//Alle Variablen bestimmen die nicht hinzugefügt wurden in a_last
 							//System.out.println(a_last);
-							a_last.forEach(x -> {writeLog("a_last_elem:" + x + " basepair: " + x.getBasePair());});
+							
 							try {//PL eingefuegt 2019-03-06 da bei map mmer wieder Nullpointer kamen
+							a_last.forEach(x -> {writeLog("a_last_elem:" + x + " basepair: " + x.getBasePair());});//PL 2019-05-13 ins try hinzugefuegt Nullpointer-Exception ist in der Zeile aufgetaucht.
 							List<PlaceholderType> varsLast_a = 
 									a_last.stream().filter(x -> ((x.getLhsType().getName().equals(x.getBasePair().getLhsType().getName())
 																 && (x.getLhsType() instanceof PlaceholderType) && (x.getBasePair().getLhsType() instanceof PlaceholderType))

src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyTaskModel.java

@@ -0,0 +1,18 @@
+package de.dhbwstuttgart.typeinference.unify;
+
+import java.util.ArrayList;
+
+public class UnifyTaskModel {
+
+	ArrayList<TypeUnifyTask> usedTasks = new ArrayList<>();
+	
+	public synchronized void add(TypeUnifyTask t) {
+		usedTasks.add(t);
+	}
+    
+    public synchronized void cancel() {
+    	for(TypeUnifyTask t : usedTasks) {
+    		t.myCancel(true);
+    	}
+    }
+}

src/main/java/de/dhbwstuttgart/typeinference/unify/model/ReferenceType.java

@@ -11,28 +11,45 @@ import de.dhbwstuttgart.typeinference.unify.interfaces.UnifyTypeVisitor;
  * @author Florian Steurer
  *
  */
-public final class ReferenceType extends UnifyType {
+public class ReferenceType extends UnifyType {
 	
 	/**
 	 * The buffered hashCode
 	 */
 	private final int hashCode;
 	
+	/**
+	 * gibt an, ob der ReferenceType eine generische Typvariable ist
+	 */
+	private final boolean genericTypeVar;
+	
 
 	public <T> UnifyType accept(UnifyTypeVisitor<T> visitor, T ht) {
 		return visitor.visit(this, ht);
 	}
 	
+	public ReferenceType(String name, Boolean genericTypeVar) {
+		super(name, new TypeParams());
+		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
+		this.genericTypeVar = genericTypeVar;
+	}
+	
 	public ReferenceType(String name, UnifyType... params) {
 		super(name, new TypeParams(params));
 		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
+		genericTypeVar = false;
 	}
 	
 	public ReferenceType(String name, TypeParams params) {
 		super(name, params);
 		hashCode = 31 + 17 * typeName.hashCode() + 17 * typeParams.hashCode();
+		genericTypeVar = false;
 	}
 
+	public boolean isGenTypeVar () { 
+		return genericTypeVar;
+	}
+	
 	@Override
 	Set<UnifyType> smArg(IFiniteClosure fc, Set<UnifyType> fBounded) {
 		return fc.smArg(this, fBounded);

src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java

@@ -137,7 +137,7 @@ public class UnifyPair {
 		undefinedPair = true;
 	}
 	public Set<UnifyPair> getSubstitution() {
-		return substitution;
+		return new HashSet<>(substitution);
 	}
 	
 	public UnifyPair getBasePair() {
@@ -149,9 +149,9 @@ public class UnifyPair {
 	
 	public Set<UnifyPair> getAllSubstitutions () {
 		Set<UnifyPair> ret = new HashSet<>();
-		ret.addAll(getSubstitution());
+		ret.addAll(new ArrayList<>(getSubstitution()));
 		if (basePair != null) {
-			ret.addAll(basePair.getAllSubstitutions());
+			ret.addAll(new ArrayList<>(basePair.getAllSubstitutions()));
 		}
 		return ret;
 	}

src/test/java/bytecode/ClassGenLamTest.java

@@ -0,0 +1,37 @@
+package bytecode;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import de.dhbwstuttgart.core.JavaTXCompiler;
+
+public class ClassGenLamTest {
+	
+	private static String path;
+	private static File fileToTest;
+	private static JavaTXCompiler compiler;
+	private static ClassLoader loader;
+	private static Class<?> classToTest;
+	private static String pathToClassFile;
+	private static Object instanceOfClass;
+	
+	@Test
+	public void generateBC() throws Exception {
+		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/ClassGenLam.jav";
+		fileToTest = new File(path);
+		compiler = new JavaTXCompiler(fileToTest);
+		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
+		compiler.generateBytecode(pathToClassFile);
+		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
+		classToTest = loader.loadClass("ClassGenLam");
+		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
+	}
+
+}

src/test/java/bytecode/OLFunTest.java

@@ -12,7 +12,7 @@ import org.junit.Test;
 
 import de.dhbwstuttgart.core.JavaTXCompiler;
 
-public class FunOLTest {
+public class OLFunTest {
 	private static String path;
 	private static File fileToTest;
 	private static JavaTXCompiler compiler;
@@ -23,13 +23,13 @@ public class FunOLTest {
 	
 	@Test
 	public void generateBC() throws Exception {
-		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/FunOL.jav";
+		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/OLFun.jav";
 		fileToTest = new File(path);
 		compiler = new JavaTXCompiler(fileToTest);
 		compiler.generateBytecode(System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/");
 		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
 		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
-		classToTest = loader.loadClass("FunOL");
+		classToTest = loader.loadClass("OLFun");
 		/*
 		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
 

src/test/java/bytecode/TypedIDTest.java

@@ -0,0 +1,38 @@
+package bytecode;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.lang.reflect.Field;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import de.dhbwstuttgart.core.JavaTXCompiler;
+
+public class TypedIDTest {
+
+	private static String path;
+	private static File fileToTest;
+	private static JavaTXCompiler compiler;
+	private static ClassLoader loader;
+	private static Class<?> classToTest;
+	private static String pathToClassFile;
+	private static Object instanceOfClass;
+	
+
+	@Test
+	public void test() throws Exception {
+		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/TypedID.jav";
+		fileToTest = new File(path);
+		compiler = new JavaTXCompiler(fileToTest);
+		compiler.generateBytecode(System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/");
+		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
+		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
+		classToTest = loader.loadClass("TypedID");
+		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
+	}
+
+}

src/test/java/bytecode/VectorSuperTest.java

@@ -0,0 +1,45 @@
+package bytecode;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.Vector;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import de.dhbwstuttgart.core.JavaTXCompiler;
+
+public class VectorSuperTest {
+	
+	private static String path;
+	private static File fileToTest;
+	private static JavaTXCompiler compiler;
+	private static ClassLoader loader;
+	private static Class<?> classToTest;
+	private static String pathToClassFile;
+	private static Object instanceOfClass;
+	
+	@BeforeClass
+	public static void setUpBeforeClass() throws Exception {
+		path = System.getProperty("user.dir")+"/src/test/resources/bytecode/javFiles/VectorSuper.jav";
+		fileToTest = new File(path);
+		compiler = new JavaTXCompiler(fileToTest);
+		pathToClassFile = System.getProperty("user.dir")+"/src/test/resources/testBytecode/generatedBC/";
+		compiler.generateBytecode(pathToClassFile);
+		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
+		classToTest = loader.loadClass("VectorSuper");
+		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
+	}
+
+	@Test
+	public void test1() throws Exception {
+		Method m = classToTest.getDeclaredMethod("m", Vector.class);
+		//Object result = m.invoke(instanceOfClass, 1);
+		
+		//assertEquals(1,result);
+	}
+}

src/test/java/bytecode/applyLambdaTest.java

@@ -1,3 +1,4 @@
+
 package bytecode;
 
 import static org.junit.Assert.assertEquals;

src/test/resources/bytecode/javFiles/ClassGenLam.jav

@@ -0,0 +1,8 @@
+import java.lang.Integer;
+
+public class ClassGenLam {
+	lam = x-> x;
+//	public ClassGenLam() {
+//		lam = x->x; 
+//	}
+}

src/test/resources/bytecode/javFiles/Faculty.jav

@@ -1,22 +1,25 @@
 import java.lang.Integer;
+import java.lang.Long;
+import java.lang.Short;
 
 public class Faculty {
-	public fact;
-	Faculty() {
-		fact = (x) -> {
-			if (x == 1) {
-				return 1;
-			}
-			else {
-			  return x * (fact.apply(x-1));
-			}
-		};
-	}
-	
-	
-	public getFact(x) {
-		return fact.apply(x);
-	}
+    public fact;
+    Faculty() {
+        fact = (x) -> {
+            if (x == 1) {
+                return 1;
+            }
+            else {
+              return x * (fact.apply(x-1));
+            }
+        };
+    }
+    
+    
+    public getFact(x) {
+        return fact.apply(x);
+    }
+}
 //  m (x) {
 //	  
 ////   var fact = (x) -> {

src/test/resources/bytecode/javFiles/Id.jav

@@ -1,6 +1,7 @@
-public class Id<FTU extends FTT,FTT>  {
+public class Id {
 	
-	id(FTU b){
+	id(b){
 		return b;
 	}
-}
+}
+

src/test/resources/bytecode/javFiles/Lambda.jav

@@ -7,4 +7,5 @@ public class Lambda {
         return x;
    };
    return lam1;
+  }
 }

src/test/resources/bytecode/javFiles/Matrix.jav

@@ -19,7 +19,7 @@ public class Matrix    extends Vector<Vector<Integer>> {
 	  } 
     }
 
-    mul(java.util.Vector<? extends Vector<? extends java.lang.Integer>> m) {
+    mul(m) {
         var ret = new Matrix();
         var i = 0;
         while(i < size()) {

src/test/resources/bytecode/javFiles/MatrixOP.jav

@@ -1,6 +1,6 @@
 import java.util.Vector;
 import java.lang.Integer;
-import java.lang.Byte;
+//import java.lang.Byte;
 import java.lang.Boolean;
 
 public class MatrixOP    extends Vector<Vector<Integer>> {
@@ -18,7 +18,7 @@ public class MatrixOP    extends Vector<Vector<Integer>> {
 	  }
     }
 
-	Fun2$$<java.util.Vector<? extends java.util.Vector<? extends java.lang.Byte>>, java.util.Vector<? extends java.util.Vector<? extends java.lang.Byte>>, MatrixOP> mul = (m1, m2) -> {
+	public mul = (m1, m2) -> {
         var ret = new MatrixOP();
         var i = 0;
         while(i < m1.size()) {

src/test/resources/bytecode/javFiles/OL.jav

@@ -10,8 +10,6 @@ public class OL     {
 	
 }
 
-         
-
 public class OLMain   {
 
 	main(x) { 

src/test/resources/bytecode/javFiles/OLFun.jav

@@ -0,0 +1,17 @@
+import java.lang.String;
+import java.lang.Integer;
+import java.lang.Double;
+import java.util.Vector;
+import java.lang.Boolean; 
+
+
+
+
+public class OLFun    {
+
+	//f = x -> {return x + x;};
+	
+	m(f, x) {
+		x = f.apply(x+x);
+	}
+}

src/test/resources/bytecode/javFiles/TypedID.jav

@@ -0,0 +1,12 @@
+public class TypedID/*<L extends K,K> */ {
+	
+	lam = x-> x;
+	
+    id(b){  
+        return b;
+    }
+    
+    m(){
+    	return lam;
+    }
+}

src/test/resources/bytecode/javFiles/VectorSuper.jav

@@ -0,0 +1,11 @@
+import java.util.Vector;
+import java.lang.Integer;
+
+public class VectorSuper {
+	
+	m(x){
+		Integer y = 1;
+		x.addElement(y);
+		//return x;
+	}
+}